Question

Concentrated HCl is 10 N, 1000 cc of 1 N HCl can be obtained by diluting

(a) 1 cc of conc. HCl to 1000 cc

(b) 10 cc of conc. HCl to 1000 cc

(c) 20 cc of conc. HCl to 1000 cc

(d) 100 cc of conc. HCl to 1000 cc

Answer 1

Correct option is (d) 100 cc of conc. HCl to 1000 cc

N₁V₁ = N₂V₂

10 × V₁ = 1 × 1000

⇒ V₁ = 100 ml