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C2 Calculations and analysis
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Total cards: 4•Content version: v4•Public deck•Updated: 8/1/2026
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#1
Front (Question)
What is the formula for percentage yield?
Back (Answer)
(Actual Yield ÷ Theoretical yield) x 100
#2
Front (Question)
Give 3 reasons why the yield is not 100%.
Back (Answer)
Reversible reaction Product can be lost when separated Other reactions occur
#3
Front (Question)
What is the percentage yield if a reaction only produces 20g when in theory it produces 40g.
Back (Answer)
% yield = (20 ÷ 40) x 100 = 50%
#4
Front (Question)
What method can be used to analysis food additives?
Back (Answer)
Paper Chromatography