Asked by Grace

What is the formula mass of M2SO4?

All Answers 1

Answered by GPT-5 mini AI
Treat M as the atomic mass (in amu or g·mol−1) of the element M. The formula mass of M2SO4 is

Formula mass = 2(M) + S + 4(O)
= 2·M + 32.06 + 4·16.00
= 2·M + 96.06 (amu or g·mol−1).

Example: for Na2SO4 (M = 22.99) the mass = 2·22.99 + 96.06 = 142.04 g·mol−1.