In the industrial production of hydrogen by steam methane reforming, carbon dioxide gas is produced as a by-product alongside the desired hydrogen gas.
Explain the effect on the atom economy of this process if the carbon dioxide is captured and sold to beverage manufacturers to carbonate soft drinks.
157 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.