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An Unknown Organic Compound Contains Carbon, Hydrogen, and Bromine Only

Question 29

Multiple Choice

An unknown organic compound contains carbon, hydrogen, and bromine only. The mass percentages of C and H are 12.77% C and 1.60% H. Bromine from 1.88 g of this compound has been completely converted into 3.70 g of AgBr. The molar mass of unknown organic compound is 188 u. Determine the molecular formula of the unknown.


A) CH3Br
B) C2H3Br2
C) C2H2Br2
D) C2H2Br4
E) C4H6Br4

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