Acids, bases and salts - Higher - Eduqas

1

Hydrochloric acid is made by dissolving hydrogen chloride in water. What name is given to the hydrogen chloride?

2

What name is given to a solution of hydrochloric acid that contains only a small amount of dissolved HCl?

3

What does it mean when a chemist says that an acid dissociates in water?

4

Lactic acid is a weak acid, which forms lactate salts. Which of these would be found in a solution of lactic acid?

5

Which solution contains most hydrogen ions?

6

1 cm3 of nitric acid (pH 1.3) is diluted with water to make 1000 cm3 of diluted nitric acid. What is the pH of the diluted nitric acid?

7

How many cm3 are there in 1 dm3 ?

8

40g of copper(II) sulfate is dissolved in 2 dm3 of water. What is the concentration of the solution?

9

4 g of sodium hydroxide is dissolved in 200 cm3 of water. What is the concentration of the solution?

10

A sample of sea water has a sodium chloride concentration of 35 g/dm3. What mass of sodium chloride can be obtained from 5 dm3 of sea water?