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29 March, 04:06

What is the molecular formula of the compound CH2 with molar mass = 42.0 g/mol?

C4H8

C3H6

C2H4

C2H18

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  1. 29 March, 05:24
    0
    C3H6 because the molar mass of CH2 is 14 g/mol, but to get how many moles it takes to get to 42 g/mol, you need to divide 42 by 14 and that gets you 3 moles.
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