Question

What is the molar mass of `H_3PO_4`?

Answer 1

`97.995g//mol`

Explanation:

You need to add the atomic masses of the molecule:

`M(H_3PO_4)=3xxM(H)+M(P)+4xxM(O)`

`=3xx1.008+30.9738+4xx15.9994=97.995g//mol`