Question

What is the molar mass of H₂CO3?

A. 61 g/mol
B. 62 g/mol
C. 30 g/mol
D. 29 g/mol

Answer 1

ans is b 62 g/mole

because mass of h is 2 an carbon is 12 and 3 atoms of oxygen in 16*3 =48 adding all we get 62 g/mole