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A substance has an empirical formula of CH2 and a molar mass of 56 grams per mole. The molecular formula for this compound is
(1) CH2 (3) C4H8
(2) C4H6 (4) C8H4

Sagot :

Kimeto3id
(3) C4H8
C=12, H=1
CH2= 12+2=14
(CH2)n=56g/mol
14n=56
n=4
(CH2)4=C4H8
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Answer:

3) C4H8

Explanation:

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