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1) AgCl, FeCO3, Hg2Br2, and PbI2 are compounds that are insoluble in water. Which compound would...

1)

AgCl, FeCO3, Hg2Br2, and PbI2 are compounds that are insoluble in water. Which compound would be more soluble in acidic solution ?

Group of answer choices

AgCl only

FeCO3 only

Hg2Br2 only

PbI2 only

All of the above is more soluble in acidic solution.

2)

Which of the following substances form both ions and molecules in solution ?

Group of answer choices

CH3OH

Li2CO­3

HClO4

Sr(OH)2

H3PO4

3)

What are the spectator ions in the reaction between aqueous ammonia and hydrofluoric acid ?

Group of answer choices

ammonia

fluoride ion

ammonium ion

ammonium and fluoride ions

There are no spectator ions.

4)

The pH of a solution of barium hydroxide is 12.53. How many milliliters of this solution are needed to titrate 125 mL of a solution of 0.0200 M sulfuric acid ?

Group of answer choices

148 mL

165 mL

73.8 mL

36.9 mL

7.38 x 104 mL

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