Kouger8881 Kouger8881

20-02-2024
Chemistry

contestada

Equal masses of iron (Fe) and sulphur (S) are heated together to form FeS. What fraction of the original mass of excess reactant is left unreacted? (Atomic mass of Fe=56, S=32)
a. 1/4
b. 1/3
c. 1/2
d. 2/3

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