Question

How many moles of HCl are there in 20.0 g

Answer 1

Number of

Moles =$\frac{Given mass of the substance}{molar mass of the substance}$

Molar mass of HCl=36.458 g/mol

Using the above formula Number of Moles(n) =$\frac{20g}{36.458 g/mol }$

Number of moles(n)=$0.549moles$ of HCl