Chemical Formulae, Equations and Calculations Part 1
1 mark · NormalWhich of the following could be a method for determining the empirical formula of a metal oxide?
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Correct option: Burning the metal in air and weighing the increase in mass
Common mistakes: choosing unrelated methods
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Marking points
M1 · 1 mark · Correct option ticked: Burning the metal in air and weighing the increase in mass
Worked solution
Burning a metal in air and measuring the mass increase allows you to determine how much oxygen has reacted, which enables calculation of the empirical formula.