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