Question

An organic compound contain C and H in which there is 92 .32% carbon and 7.68% hydrogen. If it's molecular mass is 25.98,what is its empirical formula and molecular formula?​

Answer 1

Answer:

CH

Explanation:

Step 1:

Number of moles of Carbon = 

Number of moles of hydrogen = 

Step 2:

Smallest mole value obtained is 7.6393

∴

C = 

Step 3:

The empirical formula for the given compound is CH.

Step 4:

Molar mass of the empirical formula = 1(12)+1(1) = 13

Step 5:



Step 6:

As the obtained value is 1, the molecular formula of the given compound is same as that of the empirical formula which is CH.

Answer 2

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