Question

How many litres of water must be added to 1 litre of an aqueous solution of hcl?

Answer 1

Initial pH = 1, i.e. [H+] = 0.1 mole/litre

New pH = 2, i.e. [H+] = 0.01 mole/litre

In case of dilution: M1V1= M2V2

0.1 ×1 =0.01 × V2

V2= 10 litre.

Volume of water added = 9 litre.

Answer 2

♥╣[Hi Dear]╠♥

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Initial pH = 1, i.e. [H+] = 0.1 mole/litre

New pH = 2, i.e. [H+] = 0.01 mole/litre

In case of dilution: M1V1 = M2V2

0.1 × 1 = 0.01 × V2

V2 = 10 litre

Volume of water added = 9 litre

(☞ ಠ_ಠ)☞Shivi