Chapter 4 Your Turns
why isn't Al(OH)3 classified as a strong base
because its insoluble in water
What is the oxidation number of nitrogen in nitric acid, HNO3?
+5 H+1 N+5 O-2
In one such analysis, 45.7 mL of 0.500 M H2SO4 is required to neutralize 20.0 mL of NaOH solution. What is the concentration of the NaOH solution?
2.28 x 10^-2 mol H2SO4
How many grams of Na2SO4 are required to make 0.350 L of 0.500 M solution of Na2SO4?
24.9 g of Na2SO4
What dissolved species are present in a solution of NaClO4?
Na+(aq) and ClO4-(aq)
which ions are spectator ions in this reaction? AgNO3(aq) + NaCl(aq) --> AgCl (s) + NaNO3 (aq)
Na+(aq) and NO3-(aq)
Which solute will cause the light bulb in the figure to glow most brightly, CH3OH, NaOH, or CH3COOH?
NaOH(aq)
How is the molarity of a 0.50 M KBr solution changed when water is added to double its volume?
The new concentration is 0.25 M
classify as soluble or insoluble in water lead sulfate PbSO4
insoluble
classify as soluble or insoluble in water sodium carbonate Na2CO3
soluble
Does a reaction occur when an aqueous solution of NiCl2(aq) is added to a test tube containing strips of metallic zinc?
yes because zinc is more active than nickel