The empirical formula of a compound is CH2. One
mole of this compound has a mass of 42 grams.
Its molecular formula is :
(a) C₃H₆ (b) C₃H₈
(c) CH₂ (d) C₂H₂
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Answer:
its molecular formula is c3h6
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(a) C₃H₆
Explanation:
Empirical formula of a compound is CH2
Weight of One mole of CH2 = 12 + 2 = 14
The ratio of C: H = 12:2 = 6:1
One mole of this compound has a mass of 42 grams.
Proportion of C in the compound = 6/7 * 42 = 36
Proportion of H in the compound = 1/7 * 42 = 6
So the compound contains 3 Carbon atoms and 6 Hydrogen atoms.
Option A is the answer.
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