Exam 5 Ch.14 Chemistry

61) What is the molarity of a sulfuric acid solution if 30.00 mL of H2SO4 is required to neutralize 0.840 g of sodium hydrogen carbonate (84.01 g/mol)? H2SO4(aq) + 2 NaHCO3(aq) → Na2SO4(aq) + 2 H2O(l) + 2 CO2(g) A) 0.167 M B) 0.300 M C) 0.333 M D) 0.500 M E) 0.667 M

A) 0.167 M

62) What is the molarity of a nitric acid solution if 25.00 mL of HNO3 is required to neutralize 0.500 g of calcium carbonate (100.09 g/mol)? 2 HNO3(aq) + CaCO3(s) → Ca(NO3)2(aq) + H2O(l) + CO2(g) A) 0.200 M B) 0.250 M C) 0.400 M D) 0.500 M E) 0.800 M

A) 0.200 M

48) If 10.0 mL of 0.100 M HCl is titrated with 0.200 M NaOH, what volume of sodium hydroxide solution is required to neutralize the acid? HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(l) A) 5.00 mL B) 10.0 mL C) 20.0 mL D) 40.0 mL E) 80.0 mL

A) 5.00 mL

29) In the following reaction, which reactant is a Brønsted-Lowry acid? H2CO3(aq) + Na2HPO4(aq) → NaHCO3(aq) + NaH2PO4(aq) A) H2CO3 B) Na2HPO4 C) NaH2PO4 D) NaHCO3 E) none of the above

A) H2CO3

27) In the following reaction, which reactant is a Brønsted-Lowry acid? HCl(aq) + KHS(aq) KCl(aq) + H2S(aq) A) HCl B) KHS C) KCl D) H2S E) none of the above

A) HCl

34) In the following reaction, which reactant is a Brønsted-Lowry base? KC2H3O2(aq) + HCN(aq) → HC2H3O2(aq) + KCN(aq) A) KC2H3O2 B) HCN C) HC2H3O2 D) KCN E) none of the above

A) KC2H3O2

73) Which of the following is the ionization constant expression for water? A) Kw = [H+] [OH-] B) Kw = [H2O] [H2O] C) Kw = [H2O] / [H+] [OH-] D) Kw = [H+] [OH-] / [H2O] E) none of the above

A) Kw = [H+] [OH-]

22) Which of the following is a weak base? A) NH4OH(aq) (~ 1% ionized) B) KOH(aq) (~ 100% ionized) C) LiOH(aq) (~ 100% ionized) D) all of the above E) none of the above

A) NH4OH(aq) (~ 1% ionized)

38) In the following reaction, which reactant is a Brønsted-Lowry base? Na2HPO4(aq) + H2CO3(aq) → NaH2PO4(aq) + NaHCO3(aq) A) Na2HPO4 B) H2CO3 C) NaH2PO4 D) NaHCO3 E) none of the above

A) Na2HPO4

36) In the following reaction, which reactant is a Brønsted-Lowry base? NaHCO3(aq) + NaH2PO4(aq) → Na2HPO4(aq) + H2CO3(aq) A) NaHCO3 B) NaH2PO4 C) Na2HPO4 D) H2CO3 E) none of the above

A) NaHCO3

32) In the following reaction, which reactant is a Brønsted-Lowry base? NaHS(aq) + HCN(aq) → NaCN(aq) + H2S(aq) A) NaHS B) HCN C) NaCN D) H2S E) none of the above

A) NaHS

95) If an unknown solution is a good conductor of electricity, which of the following must be true? A) The solution is highly ionized. B) The solution is slightly ionized. C) The solution is highly reactive. D) The solution is slightly reactive. E) none of the above

A) The solution is highly ionized

93) If a light bulb in a conductivity apparatus glows brightly when testing a solution, which of the following must be true? A) The solution is highly ionized. B) The solution is slightly ionized. C) The solution is highly reactive. D) The solution is slightly reactive. E) none of the above

A) The solution is highly ionized.

39) Which of the following indicators is red in an acidic solution and yellow in a basic solution? A) methyl red B) bromthymol blue C) phenolphthalein D) all of the above E) none of the above

A) methyl red

42) Which of the following indicators is orange at pH 5? A) methyl red B) bromthymol blue C) phenolphthalein D) all of the above E) none of the above

A) methyl red

7) If stomach digestive juice has a pH of 1, the solution is which of the following? A) strongly acidic B) weakly acidic C) neutral D) weakly basic E) strongly basic

A) strongly acidic

2) Which of the following is a general property of an acidic solution? A) tastes sour B) feels slippery C) turns litmus paper blue D) pH greater than 7 E) none of the above

A) tastes sour

81) What is the hydrogen ion concentration in stomach acid that registers a pH of 2 on a strip of pH paper? A) 0.02 M B) 0.01 M C) 0.2 M D) 0.1 M E) 2 M

B) 0.01 M

60) What is the molarity of a hydrochloric acid solution if 20.00 mL of HCl is required to neutralize 0.424 g of sodium carbonate (105.99 g/mol)? 2 HCl(aq) + Na2CO3(aq) → 2 NaCl(aq) + H2O(l) + CO2(g) A) 0.100 M B) 0.200 M C) 0.300 M D) 0.400 M E) 0.500 M

B) 0.200 M

64) What is the molarity of a sodium hydroxide solution if 35.00 mL of NaOH is required to neutralize 1.555 g of KHP, that is KHC8H4O4 (204.23 g/mol)? KHC8H4O4(aq) + NaOH(aq) → KNaC8H4O4(aq) + H2O(l) A) 0.109 M B) 0.218 M C) 0.267 M D) 0.435 M E) 3.75 M

B) 0.218 M

78) What is the pH of an aqueous solution if the [H+] = 0.1 M? A) 0 B) 1 C) 2 D) 10 E) 13

B) 1

84) What is the pH of an aqueous solution if the [H+] = 0.055 M? A) 0.74 B) 1.26 C) 1.74 D) 2.26 E) 11.74

B) 1.26

85) What is the pH of an aqueous solution if the [H+] = 0.000 042 M? A) 0.62 B) 4.38 C) 4.62 D) 5.38 E) 9.62

B) 4.38

71) Lactic acid is found in sour milk and can be abbreviated HLac. If 47.50 mL of 0.275 M NaOH neutralizes 1.180 g of HLac, what is the molar mass of lactic acid? HLac(aq) + NaOH(aq) → NaLac(aq) + H2O(l) A) 45.1 g/mol B) 90.3 g/mol C) 111 g/mol D) 181 g/mol E) 204 g/mol

B) 90.3 g/mol

37) In the following reaction, which reactant is a Brønsted-Lowry acid? Na2HPO4(aq) + H2CO3(aq) → NaH2PO4(aq) + NaHCO3(aq) A) Na2HPO4 B) H2CO3 C) NaH2PO4 D) NaHCO3 E) none of the above

B) H2CO3

72) Which of the following reactions represents the ionization of water? A) H2O + H2O → 2 H2 + O2 B) H2O + H2O → H3O+ + OH- C) H2O + H3O+ → H3O+ + H2O D) H3O+ + OH- → H2O + H2O E) none of the above

B) H2O + H2O → H3O+ + OH-

13) Which of the following is an example of an Arrhenius acid? A) NH4C2H3O2(aq) B) HC2H3O2(aq) C) KC2H3O2(aq) D) all of the above E) none of the above

B) HC2H3O2(aq)

31) In the following reaction, which reactant is a Brønsted-Lowry acid? NaHS(aq) + HCN(aq) → NaCN(aq) + H2S(aq) A) NaHS B) HCN C) NaCN D) H2S E) none of the above

B) HCN

33) In the following reaction, which reactant is a Brønsted-Lowry acid? KC2H3O2(aq) + HCN(aq) → HC2H3O2(aq) + KCN(aq) A) KC2H3O2 B) HCN C) HC2H3O2 D) KCN E) none of the above

B) HCN

25) What acid and base are neutralized to give lithium fluoride salt? A) HCl(aq) and LiOH(aq) B) HF(aq) and LiOH(aq) C) HF(aq) and LiF(aq) D) HOH(aq) and LiF(aq) E) none of the above

B) HF(aq) and LiOH(aq)

26) What acid and base are neutralized to give potassium nitrate salt? A) HCl(aq) and KOH(aq) B) HNO3(aq) and KOH(aq) C) HNO3(aq) and KNO3(aq) D) HOH(aq) and KNO3(aq) E) none of the above

B) HNO3(aq) and KOH(aq)

28) In the following reaction, which reactant is a Brønsted-Lowry base? HCl(aq) + KHS(aq) → KCl(aq) + H2S(aq) A) HCl B) KHS C) KCl D) H2S E) none of the above

B) KHS

19) Which of the following is an example of an Arrhenius base? A) KCl(aq) B) KOH(aq) C) KNO3(aq) D) all of the above E) none of the above

B) KOH(aq)

30) In the following reaction, which reactant is a Brønsted-Lowry base? H2CO3(aq) + Na2HPO4(aq) → NaHCO3(aq) + NaH2PO4(aq) A) H2CO3 B) Na2HPO4 C) NaH2PO4 D) NaHCO3 E) none of the above

B) Na2HPO4

35) In the following reaction, which reactant is a Brønsted-Lowry acid? NaHCO3(aq) + NaH2PO4(aq) → Na2HPO4(aq) + H2CO3(aq) A) NaHCO3 B) NaH2PO4 C) Na2HPO4 D) H2CO3 E) none of the above

B) NaH2PO4

94) If a light bulb in a conductivity apparatus glows dimly when testing a solution, which of the following must be true? A) The solution is highly ionized. B) The solution is slightly ionized. C) The solution is highly reactive. D) The solution is slightly reactive. E) none of the above

B) The solution is slightly ionized.

96) If an unknown solution is a poor conductor of electricity, which of the following must be true? A) The solution is highly ionized. B) The solution is slightly ionized. C) The solution is highly reactive. D) The solution is slightly reactive. E) none of the above

B) The solution is slightly ionized.

40) Which of the following indicators is yellow in an acidic solution and blue in a basic solution? A) methyl red B) bromthymol blue C) phenolphthalein D) all of the above E) none of the above

B) bromthymol blue

43) Which of the following indicators is green at pH 7? A) methyl red B) bromthymol blue C) phenolphthalein D) all of the above E) none of the above

B) bromthymol blue

5) Which of the following is a general property of a basic solution? A) tastes sour B) feels slippery C) turns litmus paper red D) pH less than 7 E) none of the above

B) feels slippery

8) If a vinegar sample has a pH of 5, the solution is which of the following? A) strongly acidic B) weakly acidic C) neutral D) weakly basic E) strongly basic

B) weakly acidic

91) What is the [OH-] in an ammonia solution if the pH is 10.20? A) 0.63 M B) 3.80 M C) 0.000 16 M D) 0.000 000 000 16 M E) 0.000 000 000 063 M

C) 0.000 16 M

55) If a 50.0 mL sample of ammonium hydroxide is titrated with 25.0 mL of 0.200 M sulfuric acid to a methyl red endpoint, what is the molarity of the base? 2 NH4OH(aq) + H2SO4(aq) → (NH4)2SO4(aq) + 2 H2O(l) A) 0.100 M B) 0.150 M C) 0.200 M D) 0.300 M E) 0.400 M

C) 0.200 M

70) Proline is an amino acid that can be abbreviated HPro. If 33.55 mL of 0.150 M NaOH neutralizes 0.579 g of HPro, what is the molar mass of proline? HPro(aq) + NaOH(aq) → NaPro(aq) + H2O(l) A) 8.69 g/mol B) 86.9 g/mol C) 115 g/mol D) 291 g/mol E) 772 g/mol

C) 115 g/mol

59) A hydrochloric acid solution is 6.00 M and the density is 1.10 g/mL. What is the mass/mass percent concentration of HCl (36.46 g/mol)? A) 0.199% B) 0.241% C) 19.9% D) 21.9% E) 24.1%

C) 19.9%

51) If 25.0 mL of 0.100 M Ca(OH)2 is titrated with 0.200 M HNO3, what volume of nitric acid is required to neutralize the base? 2 HNO3(aq) + Ca(OH)2(aq) → 2 Ca(NO3)2(aq) + 2 H2O(l) A) 12.5 mL B) 20.0 mL C) 25.0 mL D) 40.0 mL E) 50.0 mL

C) 25.0 mL

79) What is the pH of an aqueous solution if the [H+] = 0.001 M? A) 1 B) 2 C) 3 D) 10 E) 11

C) 3

57) An acetic acid solution is 6.00 M and has a density of 1.04 g/mL. What is the mass/mass percent concentration of HC2H3O2 (60.06 g/mol)? A) 0.347% B) 0.375% C) 34.7% D) 36.0% E) 37.5%

C) 34.7%

52) If 20.0 mL of 0.200 M H2SO4 is titrated with 0.100 M NaOH, what volume of sodium hydroxide is required to neutralize the acid? H2SO4(aq) + 2 NaOH(aq) → Na2SO4(aq) + 2 H2O(l) A) 10.0 mL B) 20.0 mL C) 40.0 mL D) 60.0 mL E) 80.0 mL

C) 40.0 mL

80) What is the pH of an aqueous solution if the [H+] = 0.000 001 M? A) 1 B) 5 C) 6 D) 8 E) 10

C) 6

97) If a battery acid solution is a strong electrolyte, which of the following must be true? A) Battery acid is highly reactive. B) Battery acid is slightly reactive. C) Battery acid is highly ionized. D) Battery acid is slightly ionized. E) none of the above

C) Battery acid is highly ionized.

98) If a drain cleaner solution is a strong electrolyte, which of the following must be true? A) Drain cleaner is highly reactive. B) Drain cleaner is slightly reactive. C) Drain cleaner is highly ionized. D) Drain cleaner is slightly ionized. E) none of the above

C) Drain cleaner is highly ionized.

24) What acid and base are neutralized to give sodium bromide salt? A) HCl(aq) and NaOH(aq) B) HBr(aq) and NaOH(aq) C) HBr(aq) and NaBr(aq) D) HOH(aq) and NaBr(aq) E) none of the above

C) HBr(aq) and NaBr(aq)

16) Which of the following is a weak acid? A) HCl(aq) (~ 100% ionized) B) HNO3(aq) (~ 100% ionized) C) HC2H3O2(aq) (~ 1% ionized) D) all of the above E) none of the above

C) HC2H3O2(aq) (~ 1% ionized)

9) If a saliva specimen has a pH of 7, the solution is which of the following? A) strongly acidic B) weakly acidic C) neutral D) weakly basic E) strongly basic

C) neutral

41) Which of the following indicators is colorless in an acidic solution and pink in a basic solution? A) methyl red B) bromthymol blue C) phenolphthalein D) all of the above E) none of the above

C) phenolphthalein

44) Which of the following indicators is pink at pH 9? A) methyl red B) bromthymol blue C) phenolphthalein D) all of the above E) none of the above

C) phenolphthalein

46) What is the color of phenolphthalein indicator at pH 10? A) red B) blue C) pink D) colorless E) none of the above

C) pink

89) What is the [H+] in a bleach sample that registers 9.55 using a pH meter? A) 0.98 M B) 0.000 000 002 8 M C) 0.000 000 003 5 M D) 0.000 000 000 28 M E) 0.000 000 000 35 M

D) 0.000 000 000 28 M

90) What is the [OH- ] in a seawater sample if the pH is 8.65? A) 0.22 M B) 5.35 M C) 0.000 004 5 M D) 0.000 000 002 2 M E) 0.000 000 004 5 M

D) 0.000 000 002 2 M

83) What is the hydrogen ion concentration in a saliva specimen that registers a pH of 6 on a strip of pH paper? A) 0.6 M B) 0.000 01 M C) 0.000 06 M D) 0.000 001 M E) 0.000 006 M

D) 0.000 001 M

82) What is the hydrogen ion concentration in a urine specimen that registers a pH of 4 on a strip of pH paper? A) 0.4 M B) 0.001 M C) 0.004 M D) 0.0001 M E) 0.0004 M

D) 0.0001 M

54) If a 50.0 mL sample of ammonium hydroxide is titrated with 25.0 mL of 0.200 M nitric acid to a methyl red endpoint, what is the molarity of the base? NH4OH(aq) + HNO3(aq) → NH4NO3(aq) + H2O(l) A) 0.100 M B) 0.150 M C) 0.200 M D) 0.300 M E) 0.400 M

D) 0.300 M

65) What is the molarity of a sodium hydroxide solution if 40.00 mL of NaOH is required to neutralize 0.900 g of oxalic acid, H2C2O4, (90.04 g/mol)? H2C2O4(aq) + 2 NaOH(aq) →Na2C2O4(aq) + 2 H2O(l) A) 0.125 M B) 0.250 M C) 0.400 M D) 0.500 M E) 0.800 M

D) 0.500 M

50) If 25.0 mL of 0.100 M HCl is titrated with 0.150 M Ba(OH)2, what volume of barium hydroxide is required to neutralize the acid? 2 HCl(aq) + Ba(OH)2(aq) → BaCl2(aq) + 2 H2O(l) A) 8.33 mL B) 16.7 mL C) 18.8 mL D) 33.3 mL E) 37.5 mL

D) 33.3 mL

49) If 20.0 mL of 0.500 M KOH is titrated with 0.250 M HNO3, what volume of nitric acid is required to neutralize the base? HNO3(aq) + KOH(aq) → KNO3(aq) + H2O(l) A) 10.0 mL B) 20.0 mL C) 25.0 mL D) 40.0 mL E) 50.0 mL

D) 40.0 mL

53) If 30.0 mL of 0.100 M Ca(OH)2 is titrated with 0.150 M HC2H3O2, what volume of acetic acid is required to neutralize the base? 2 HC2H3O2(aq) + Ca(OH)2(aq) → Ca(C2H3O2)2(aq) + 2 H2O(l) A) 10.0 mL B) 22.5 mL C) 20.0 mL D) 40.0 mL E) 45.0 mL

D) 40.0 mL

86) What is the pH of an aqueous solution if the [H+] = 0.000 000 075 M? A) 0.88 B) 6.12 C) 6.88 D) 7.12 E) 8.88

D) 7.12

69) Glycine is an amino acid that can be abbreviated HGly. If 27.50 mL of 0.120 M NaOH neutralizes 0.248 g of HGly, what is the molar mass of glycine? HGly(aq) + NaOH(aq) → NaGly(aq) + H2O(l) A) 26.6 g/mol B) 37.6 g/mol C) 56.8 g/mol D) 75.2 g/mol E) 151 g/mol

D) 75.2 g/mol

74) Which of the following explains why distilled water is neutral? A) Distilled water has no ions. B) Distilled water has no hydrogen ions. C) Distilled water has no hydroxide ions. D) The concentrations of hydrogen and hydroxide ions are equal. E) none of the above

D) The concentrations of hydrogen and hydroxide ions are equal.

100) Which of the following aqueous solutions is slightly ionized? A) weak acid B) weak base C) very slightly soluble salt D) all of the above E) none of the above

D) all of the above

12) Which of the following is an example of an Arrhenius acid? A) HCl(aq) B) HNO3(aq) C) H2SO4(aq) D) all of the above E) none of the above

D) all of the above

15) Which of the following is a strong acid? A) HCl(aq) (~ 100% ionized) B) H2SO4(aq) (~ 100% ionized) C) HNO3(aq) (~ 100% ionized) D) all of the above E) none of the above

D) all of the above

18) Which of the following is an example of an Arrhenius base? A) NaOH(aq) B) Ca(OH)2(aq) C) Al(OH)3(s) D) all of the above E) none of the above

D) all of the above

21) Which of the following is a strong base? A) LiOH(aq) (~ 100% ionized) B) NaOH(aq) (~ 100% ionized) C) KOH(aq) (~ 100% ionized) D) all of the above E) none of the above

D) all of the above

99) Which of the following aqueous solutions is highly ionized? A) strong acid B) strong base C) soluble salt D) all of the above E) none of the above

D) all of the above

45) What is the color of phenolphthalein indicator at pH 7? A) red B) blue C) pink D) colorless E) none of the above

D) colorless

47) What is the color of phenolphthalein indicator in pure water? A) red B) blue C) pink D) colorless E) none of the above

D) colorless

10) If milk of magnesia has a pH of 10, the solution is which of the following? A) strongly acidic B) weakly acidic C) neutral D) weakly basic E) strongly basic

D) weakly basic

92) What is the [OH- ] in an oven-cleaning solution if the pH is 12.35? A) 0.45 M B) 1.65 M C) 0.022 M D) 0.000 000 000 002 2 M E) 0.000 000 000 000 45 M

E) 0.000 000 000 000 45 M

88) What is the [H+] in a blood sample that registers 7.30 using a pH meter? A) 0.86 M B) 0.000 020 M C) 0.000 000 50 M D) 0.000 000 020 M E) 0.000 000 050 M

E) 0.000 000 050 M

87) What is the [H+] in an acid rain sample that registers 3.22 using a pH meter? A) 0.51 M B) 0.017 M C) 0.0017 M D) 0.000 17 M E) 0.000 60 M

E) 0.000 60 M

63) What is the molarity of a acetic acid solution if 25.00 mL of HC2H3O2 is required to neutralize 0.424 g of sodium carbonate (105.99 g/mol)? 2 HC2H3O2(aq) + Na2CO3(aq) → 2 NaC2H3O2 (aq) + H2O(l) + CO2(g) A) 0.0800 M B) 0.100 M C) 0.160 M D) 0.200 M E) 0.320 M

E) 0.320 M

56) If a 25.0 mL sample of sulfuric acid is titrated with 50.0 mL of 0.200 M potassium hydroxide to a phenolphthalein endpoint, what is the molarity of the acid? H2SO4(aq) + 2 KOH(aq) → K2SO4(aq) + 2 H2O(l) A) 0.100 M B) 0.150 M C) 0.200 M D) 0.300 M E) 0.400 M

E) 0.400 M

58) An ammonia solution is 6.00 M and the density is 0.950 g/mL. What is the mass/mass percent concentration of NH3 (17.04 g/mol)? A) 0.0971% B) 0.108% C) 9.71% D) 10.2% E) 10.8%

E) 10.8%

67) If 0.900 g of oxalic acid, H2C2O4, (90.04 g/mol) is completely neutralized with 0.500 M LiOH, what volume of lithium hydroxide is required? H2C2O4(aq) + 2 LiOH(aq) → Li2C2O4(aq) + 2 H2O(l) A) 10.0 mL B) 15.0 mL C) 20.0 mL D) 30.0 mL E) 40.0 mL

E) 40.0 mL

77) Given an aqueous solution in which the [H+] = 2.5 x 10-7 M, what is the molar hydroxide ion concentration? A) [OH-] = 2.5 x 10-7 M B) [OH-] = 2.5 x 10-8 M C) [OH-] = 4.0 x 10-6 M D) [OH-] = 4.0 x 10-7 M E) [OH-] = 4.0 x 10-8 M

E) [OH-] = 4.0 x 10-8 M

75) Given an aqueous solution in which the [H+] = 2.0 x 10-5 M, what is the molar hydroxide ion concentration? A) [OH-] = 2.0 x 10-9 M B) [OH-] = 2.0 x 10-10 M C) [OH-] = 5.0 x 10-8 M D) [OH-] = 5.0 x 10-9 M E) [OH-] = 5.0 x 10-10 M

E) [OH-] = 5.0 x 10-10 M

1) Which of the following is a general property of an acidic solution? A) tastes sour B) turns litmus paper red C) pH less than 7 D) neutralizes bases E) all of the above

E) all of the above

4) Which of the following is a general property of a basic solution? A) tastes bitter B) feels slippery C) turns litmus paper blue D) neutralizes acids E) all of the above

E) all of the above

14) Which of the following is an example of an Arrhenius acid? A) Al(OH)3(s) B) Ba(OH)2(aq) C) RbOH(aq) D) H2O(l) E) none of the above

E) none of the above

17) Which of the following is a strong acid? A) HNO2(aq) (~ 1% ionized) B) H2SO3(aq) (~ 1% ionized) C) H3PO4(aq) (~ 1% ionized) D) all of the above E) none of the above

E) none of the above

20) Which of the following is an example of an Arrhenius base? A) HNO3(aq) B) H2CO3(aq) C) H3PO4(aq) D) H2O(l) E) none of the above

E) none of the above

23) Which of the following is a weak base? A) Ba(OH)2(aq) (~ 100% ionized) B) Ca(OH)2(aq) (~ 100% ionized) C) Sr(OH)2(aq) (~ 100% ionized) D) all of the above E) none of the above

E) none of the above

3) Which of the following is a general property of an acidic solution? A) tastes bitter B) feels slippery C) turns litmus paper blue D) neutralizes acids E) none of the above

E) none of the above

6) Which of the following is a general property of a basic solution? A) tastes sour B) turns litmus paper red C) pH less than 7 D) neutralizes bases E) none of the above

E) none of the above

11) If a drain cleaner has a pH of 14, the solution is which of the following? A) strongly acidic B) weakly acidic C) neutral D) weakly basic E) strongly basic

E) strongly basic