1.

The empirical formula of a compound is One mole of this compound has a mass of 42 grams. Its molecular formula is:

A.  \[{{C}_{3}}{{H}_{6}}\]                                   
B.  \[{{C}_{3}}{{H}_{8}}\]
C.  \[C{{H}_{2}}\]           
D.         \[{{C}_{2}}{{H}_{2}}\]
Answer» B.  \[{{C}_{3}}{{H}_{8}}\]


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