Calculate the Molecular Mass of the Following (A) H2CO3 (B) C2H5OH (C) H2SO4

Answer: The molecular mass of H₂CO₃ can be calculated by adding the atomic mass of 2 atoms of hydrogen i.e 2×1, then we will add the atomic mass of carbon i.e 6, and then add the atomic mass of 3 oxygen i.e 3×16. Hence, the result comes out to be 62.

Similarly, we can find the molecular mass of C₂H₅OH as 2×12 + 6×1 + 1×16 = 46.

In the same way we can calculate molecular mass of H₂SO₄ i.e  2x 1+ 1 x 32 + 4 x 16 = 64.

So, the molecular mass of H₂CO₃ = 62, the molecular mass of C₂H₅OH= 46, and the molecular mass of H₂SO₄ = 64.