Sammysam3999 Sammysam3999

17-02-2017
Chemistry

Answered

26 g of zinc combines with 12.8 g of sulfur. What is the empirical formula of zinc sulfide?

AZn2S2
BZnS2
CZnS
DZn2S

Verified Answer :

scme1702 scme1702

24-02-2017

Moles of Zn: 26 / 65 = 0.4
Moles of S: 12.8 / 32 = 0.4

Molar ratio of Zn : S = 1 : 1
Empircal formula: ZnS

The answer is C

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