A Compound contains 4.07% hydrogen,24.27% carbon and 71.65% chlorine.Its molar mass is 98.96 grams.what is its molecular formula?
Answer (1)
19th Feb, 2020
With the given percentage we can calculate the weight of different element in 1 mol of the compound that is out of 98.96g
Hydrogen =0.0407*98.96=4.02
Carbon=0.2427*98.96=24.017
Chlorine=0.7165*98.96=70.09
Now we can divide the weight of each element with the atomic weight to get the Number of the elements the
No of H =4/1=4
No of C=24/12=2
No of Cl=70/35=2
Therefore the formula for the compound is C2H4Cl2
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