Ammonium chloride has a relative formula mass of 53.5. A solution contains 10.7 g of ammonium chloride in each dm3\mathrm{dm^3}dm3.
What is the concentration of ammonium chloride in mol dm−3\mathrm{mol\,dm^{-3}}moldm−3?
0.0107 mol dm−30.0107\,\mathrm{mol\,dm^{-3}}0.0107moldm−3
572 mol dm−3572\,\mathrm{mol\,dm^{-3}}572moldm−3
0.200 mol dm−30.200\,\mathrm{mol\,dm^{-3}}0.200moldm−3
5.00 mol dm−35.00\,\mathrm{mol\,dm^{-3}}5.00moldm−3
151 exam-style questions on Edexcel GCSE Chemistry 6.2 Quantitative analysis, covering 6.2.1 Concentration in mol dm⁻³ and titration calculations, 6.2.2 Percentage yield and why actual yield falls short, 6.2.3 Atom economy of a reaction, 6.2.4 Choosing a reaction pathway, and 6.2.5 Molar volume of gases and Avogadro's law. Each one has a worked solution and a mark scheme showing where the marks go.