Question

pls help and ans my question 16​

Answer 1

Using approximate values:

Ratio in grams

C

:

H

⇒

40

:

6.6

Ratio in moles

⇒

40

12

:

6.7

1

⇒

3.33

:

6.6

Dividing through by

3.33

⇒

1

:

2

So the empirical formula is:

C

H

2