Question

The mass percentage of carbon is 75% the hydrogen is 25% is

a) C2H6

b) C2H2

c) CH4

d) C2H4​

Answer 1

Answer:

c) CH4.

Explanation:

I hope this is helpful for you

Answer 2

The ans is c) - (CH4)

Explanation:

Method to calculate the empirical Formula..

1) Draw the tables which have three rows nd columns.

2) - First column do write the name of the elements.

- Second column do write the given% composition,

- third column do write the atomic mass of the elements,

- forth column, Calculate the no.of atoms by dividing the atomic masses of the elements with the given % composition.

- write the simplest ratio in fifth column.

3) In the final column, write the whole ratio which cannot be in decimal.

4) At last, calculate the empirical formula, by substituting the whole no.ratio into the each elements.

Thus the empirical formula of the compound will be CH4.

Hope u will find this helpful..