Question 70 (Textile Engineering & Fibre Science)
5 ml of concentrated sodium hypochlorite solution X is diluted to 100 ml with water. A 10 ml aliquot of this solution required 19.7 ml 0.1 N Na2S2O3 for titration. The active chlorine content (g/l) of the original solution is approximately
(A) | 100 |
(B) | 120 |
(C) | 140 |
(D) | 160 |
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