Question

19. what is the empirical formula for C36H9?

Answer 1

The empirical formula for $C_3_6 H_9$ is $C_4H$.

Chemical   formulas that give only the relative number of atoms of each type in a molecule are called empirical formulas. The subscripts in an empirical formula are always the smallest possible whole-number ratios.

Look at the ratio of these two atoms in the compound

 C : H  

36: 9

Divide the ratio by 9 to get simple ratio:-

C       :     H

36/9   :  9/9

4         :    1

For $C_3_6 H_9$ , the smallest whole number ratio is 4:1. So, the empirical formula for $C_3_6 H_9$  is $C_4H$.

So, the empirical formula for $C_3_6 H_9$ is $C_4H$.

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