Calculate the molar mass of oxalic acid (C = 12, O = 16, H = 1)

Answer:

Relative molar mass is defined as the smallest mass unit of a compound with one-twelfth of the mass of one carbon – 12 atom. The standard unit for this is g mol−1.

Mathematically, the defining equation of molar mass is

Molar mass = mass/mole = g/mol

Oxalic acid= HOOCCOOH

Chemical formula of oxalic acid= C2H2O4

Molar mass = 12 x 2 + 1 x 2 + 16 x 4

= 24 + 2 + 64

= 26 + 64

= 90 g/mol

The molar mass of oxalic acid is 90 g/mol.

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