pH of Weak Acids & Solutions 1

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pH of Weak Acids & Solutions 1

1 / 10

Hydrofluoric acid is a weak acid with a Ka value of 6.60 x 10-4 mol dm-3

Calculate the concentration of a solution of hydrofluoric acid that would produce a pH of 2.05

2 / 10

Ethanoic acid is a weak acid with a Ka value of 1.70 x 10-5 mol dm-3

Calculate the concentration of a solution of ethanoic acid that would produce a pH of 2.51

3 / 10

Nitrous acid (nitric (III) acid) is a weak acid with a Ka value of 5.60x 10-4 mol dm-3

Calculate the concentration of a solution of nitrous acid (nitric (III) acid) that would produce a pH of 1.33

4 / 10

A solution of hydrocyanic acid was found to have a pH of 4.56 when the concentration of the hydrocyanic acid was 1.250 mol dm-3

Calculate the value of Ka for hydrocyanic acid

5 / 10

A solution of phenol was found to have a pH of 4.87 when the concentraion of the phenol was 1.800 mol dm-3

Calculate the value of Ka for phenol

6 / 10

A solution of benzoic acid was found to have a pH of 2.36 when the concentration of the benzoic acid was 0.300 mol dm-3

Calculate the value of Ka for benzoic acid

7 / 10

Hydrofluoric acid is a weak acid with a Ka value of 6.60 x 10-4 mol dm-3

Calculate the pH of a solution of hydrofluoric acid when it is in a concentration of 0.300 mol dm-3

8 / 10

Methanoic acid is a weak acid with a Ka value of 1.78 x 10-4 mol dm-3

Calculate the pH of a solution of methanoic acid when it is in a concentration of 0.100 mol dm-3

9 / 10

Propanoic acid is a weak acid with a Ka value of 1.34 x 10-5 mol dm-3

Calculate the pH of a solution of propanoic acid when it is in a concentration of 0.100 mol dm-3

10 / 10

Ethanoic acid is a weak acid with a Ka value of 1.70 x 10-5 mol dm-3

Calculate the pH of a solution of ethanoic acid when it is in a concentration of 0.100 mol dm-3

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