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You perform a combustion analysis of 0.255g of a compound that contains C, H and O....

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Question

Chemistry

You perform a combustion analysis of 0.255g of a compound thatcontains C, H and O. You produce 0.561 g of CO2 and0.306g of H2O.

A. How many grams of carbon and hydrogen did you produce?

a)0.154g C & 0.034g H b)0.225g C & 0.068g H c)0.0128g C& 0.017g H d)0.306g C & 0.278g H

B. How many grams of oxygen were there in the originalcompound?

a)0.081   b)0.091  c)0.055 d)0.067

C. What is the empirical formula of the compound?

a)C2H602 b)C3H8O2   c)C3H8O d)C3H6O

How many grams of oxygen were there in the originalcompound?

Answer & Explanation Solved by verified expert
4.5 Ratings (936 Votes)
A let in compound number of moles of C H and O be x y and z respectively Number of moles of CO2 mass of CO2 molar mass CO2 056144 1275102 Number of moles of    See Answer
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