Question

A compound with molecular mass 180 is acylated with CH₃COCl to get with a compound molecular mass 390. What is the number of amino groups present per molecule of the former compound?

Answer 1

There are 6 amino groups per molecule of acetic acid.

Step-by-step explanation:

The compound with a molecular mass of 180 is acetic acid (CH3COOH). Its empirical formula mass is 30.02 g/mol. By comparing the molecular mass of 180 to the empirical formula mass, we can determine that the compound contains six times the number of atoms in the empirical formula. Therefore, there are 6 amino groups per molecule of acetic acid.