In a school calorimetry experiment, 1.4 g of methanol is burned to raise the temperature of a beaker of water by 25∘C25^{\circ}\text{C}25∘C.
Calculate the number of moles of methanol used.
Give your answer to two significant figures. (relative formula mass: methanol = 32)
258 exam-style questions on Edexcel GCSE Chemistry Calculations involving masses. Each one has a worked solution and a mark scheme showing where the marks go.