REVIEW for Acid-Base Test

What is the molarity of HCl(aq) if 25. milliliters of 8.0M NaOH(aq) neutralizes exactly 20. milliliters of HCl(aq)?

(b) 10M

As pH decreases

(d) [H+] increases and [OH-] decreases

Given the reaction below, HNO2 + F- <--> HF + NO2 in the reverse reaction, HF is a/an

(d) acid by donating H+

_______ The pH of a pond water is 9.0, after a spill of acid the pond is 1000 more acidic. What is the new pH of the pond?

) 6

Which of these pH numbers indicates the strongest acid?

1

______ Solution A has a pH of 3 and solution Z has a pH of 6. How many times greater is the hydronium ion concentration in solution A than the hydronium ion concentration in solution Z?

1000

What volume of 0.500 M HNO3(aq) must completely react to neutralize 100.0 milliliters of 0.100 M KOH(aq)?

20.0 mL

Which reactants form the salt CaSO4(s) in a neutralization reaction?

H2SO4(aq) and Ca(OH)2(aq)

_____ Which substance acts as an acid in the reverse reaction? HI(g) + H2O(l) <--> H3O+(aq) + I-(aq)

H3O+

A student tested a 0.1 M aqueous solution and made the following observations: • conducts electricity • turns blue litmus to red • reacts with Zn(s) to produce gas bubbles Which compound could be the solute in this solution?

HBr

Which compound is an Arrhenius acid?

HC2H3O2

When NaOH and HCl react, what will be on the product side?

NaCl and HOH

Which of the following can conduct an electric current?

NaOH(aq)

What color is methyl orange in a solution that has a pH of 5

yellow

In the process of neutralization, an Arrhenius acid and an Arrhenius base react to form which of the following?

Water and Salt

At a pH of 7

[H+] is equal to [OH-]

One acid-base theory states that an acid is

an H+ donor

An Arrhenius base yields which ion as the only negative ion in an aqueous solution

hydroxide ion

In MaVa=MbVb, what is Mb?

molarity of OH-

Which pH change represents a hundredfold increase in the concentration of H30+?

pH 5 to pH 3