Question

Find molecular mass of:
H2S , HCL,NH3,CL2,CH3COOH,
CH3CHO

Answer 1

The molecular mass H is 1 g.

The molecular mass of S is 32 g.

The molecular mass of Cl is 35.5 g.

The molecular mass of N is 14 g.

The molecular mass of C is 12 g.

H2S is 2 × 1 + 32 = 34 g.

HCl is 1 + 35.5 = 36.5 g.

NH3 is 14 + 3 × 1 = 17 g.

Cl2 is 2 × 35.5 = 71 g.

CH3COOH is 2 × 12 + 4 × 1 + 2 × 16 = 60 g.

CH3CHO is 2 × 12 + 16 + 4 × 1 = 34 g.

Answer 2

Explanation:

H  2 S is 2 × 1 + 32 = 34 g.

HCl is 1 + 35.5 = 36.5 g.  

NH  3  is 14 + 3 × 1 = 17 g.  

Cl  2  is 2 × 35.5 = 71 g.

CH  3 COOH is 2 × 12 + 4 × 1 + 2 × 16 = 60 g.

CH  3 CHO is 2 × 12 + 16 + 4 × 1 = 34 g.