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2013 National Chemistry Olympiad
4
4
Part of
2013 National Chemistry Olympiad
Problems
(1)
2013 USNCO Problem 4: Tin Empirical Formula
Source:
5/23/2013
An
18.5
18.5
18.5
g sample of tin
(M = 118.7)
\text{(M = 118.7)}
(M = 118.7)
combines with
10.0
10.0
10.0
g of sulfur
(M = 32.07)
\text{(M = 32.07)}
(M = 32.07)
to form a compound. What is the empirical formula of this compound?
(A)
\ce{SnS}\qquad
(B)
\ce{SnS2}\qquad
(C)
\ce{Sn2S}\qquad
(D)
\ce{Sn2S3}\qquad
ratio