chapter 9 - salts

Question 1

definition of salts

Answer 1

an ionic compound that consists of a cation and an anion

Question 2

name all soluble salts

Answer 2

[SPAN]
- all sodium chlorides
- all potassium chlorides
- all ammonium chlorides
- all nitrates

• all chlorides except SL
  –> silver chloride & lead (II) chloride
• all sulfates except BLC
  –> barium sulfate, lead (II) sulfate, calcium sulfate

Question 3

name all insoluble salts

Answer 3

• all carbonates except SPA
  –> sodium carbonate, potassium carbonate, ammonium
  carbonate

Question 4

two factors to consider before deciding how to prepare a salt

Answer 4

1. solubility of the salt in water
2. solubility of the starting materials in water

Question 5

method to prepare a salt that is insoluble in water

Answer 5

precipitation

solution containing cation of the salt + solution containing anion of the salt

Question 6

methods to prepare a salt that is soluble in water

Answer 6

titration

reaction of acid with an insoluble substance

Question 7

reaction of acid with insoluble substance criteria

Answer 7

acid + excess metal

acid + excess insoluble base

acid + excess insoluble carbonate

Question 8

titration criteria

Answer 8

acid + alkali (soluble base)
acid + soluble carbonate p