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2013 USNCO Problem 4: Tin Empirical Formula

Source:

May 23, 2013
ratio

Problem Statement

An 18.518.5 g sample of tin (M = 118.7)\text{(M = 118.7)} combines with 10.010.0 g of sulfur (M = 32.07)\text{(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
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