Question

Calculate the molecular masses of CH3 OH.

NCERT Class IX
Sciences - Main Course Book

Chapter 3. Atoms and Molecules

Answer 1

CH3OH
1x 12 +1x 3+ 1x16+1x1
12+3+16+1=32

Answer 2

Atomic mass of C = 12 Atomic mass of H = 1 Atomic mass of O = 16 Molecular mass of CH3OH = 1 × 12 + 3 × 1 + 1 × 16 + 1 × 1 = 12+3+16+1 = 32grams