A-Level
EDEXCEL
Chemistry
June 2017
1 Marks
QP-201706-Chemistry-U1-old · Question 3
Question (excerpt):
DO NOT WRITE IN THIS AR 3 Calculate the empirical formula of the compound with the percentage composition by mass: Li = 17.9%; P = 26.8%; O = 55.3% Molar masses / g mol–1 Li = 6.9, P = 31.0, O = 16.0 …
DO NOT WRITE IN THIS AR 3 Calculate the empirical formula of the compound with the percentage composition by mass: Li = 17.9%; P = 26.8%; O = 55.3% Molar masses / g mol–1 Li = 6.9, P = 31.0, O = 16.0 …
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