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1.34 A welding fuel gas contains carbon and hydrogen only. Burning a small sample of it in oxygen gives 3.38 g carbon dioxide, 0.690 g of water and no other products. A volume of 10.0 L (measured at STP) of this welding gas is found to weigh 11.6 g. Calculate
(iii) molecular formula.
Answers (1)
As we know the empirical formula from the previous part is .
The mass of empirical formula
.
Therefore,
Therefore, Molecular formula is .
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