The dehydration of 12.5 g of cyclohexanol (Mr=100.0M_{\text{r}} = 100.0Mr=100.0) produces cyclohexene (Mr=82.0M_{\text{r}} = 82.0Mr=82.0). The percentage yield of this reaction is 68.0%.
What mass, in g, of cyclohexene is obtained?
6.976.976.97
8.508.508.50
10.2510.2510.25
15.115.115.1
79 exam-style questions on AQA A Level Chemistry Amount of substance, covering Relative atomic mass and relative molecular mass, The mole and the Avogadro constant, The ideal gas equation, Empirical and molecular formula, and Balanced equations and associated calculations. Each one has a worked solution and a mark scheme showing where the marks go.