Essential Chemistry for IGCSE - Chemical Calculations (Section 2 - No. 40)
What is meant by the term 'percentage purity' of a substance?
The ratio of the mass of the impurities to the total mass of the sample, expressed as a percentage.
The ratio of the mass of the pure product to the total mass of the sample, expressed as a percentage.
The ratio of the theoretical yield to the actual yield, expressed as a percentage.
The ratio of the actual yield to the theoretical yield, expressed as a percentage.
Explanation
Percentage purity is calculated as (mass of pure product / mass of impure product) * 100
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