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A compound contains 4.07% hydrogen, 24.2...

A compound contains 4.07% hydrogen, 24.27% carbon and 71.65% chlorine. Its molar mass is 98.96 g. What are its empirical and molecular formulas?

Text Solution

Verified by Experts

To calculate the empirical formula

Hence, the empirical formula of the compound is `CH_(2)Cl`
Step 2. Calculation of empirical formula mass
E.F. mass of `CH_(2)Cl=12+2xx1+35.5=49.5`
Step 3. Calculation of value of n
`n=("Molecular mass")/("E.F. mass")=(98.96)/(49.5)=2`
Step 4. Calculation of molecular formula
Molecular formula `=nxxE.F. = 2xx(CH_(2)Cl)=C_(2)H_(4)Cl_(2)`
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