Moles and Stoichiometry
4 past-paper questions on Moles and Stoichiometry · examined 2020–2021.
20211 question
The relative formula masses of four compounds are given. A student has a 1.0 g sample of each compound. Which sample contains the highest number of moles of oxygen atoms?
20203 questions
A sample of magnesium hydroxide has a mass of 4.63 g. How many moles of magnesium hydroxide are present?
Which sample contains the most atoms?
The equation shows the production of iron by the reduction of iron(III) oxide. What is the percentage yield?
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