A hydrochloric acid solution with a hydrogen ion concentration of 0.10 mol dm−30.10\,\mathrm{mol\,dm^{-3}}0.10moldm−3 has a pH of 1. What is the pH of a hydrochloric acid solution with a hydrogen ion concentration of 0.010 mol dm−30.010\,\mathrm{mol\,dm^{-3}}0.010moldm−3?
1
10
2
0
44 exam-style questions on Edexcel GCSE Chemistry 4.1 Acids, covering 4.1.1 Acids, alkalis and the pH scale, 4.1.2 Hydrogen ion concentration and pH, 4.1.3 Dilute and concentrated, weak and strong acids, 4.1.4 Bases, alkalis and the reactions of acids, 4.1.5 Chemical tests for hydrogen and carbon dioxide, 4.1.6 Neutralisation as a reaction of acids with bases, 4.1.7 Preparing soluble salts, and 4.1.8 Solubility rules and preparing insoluble salts. Each one has a worked solution and a mark scheme showing where the marks go.