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30/09/2020 10:23 am
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An aqueous solution of 6.3 g of oxalic acid dihydrate is made up to 250 ml. The volume of 0.1 N NaOH required to completely neutralise 10 ml of this solution is
(a) 20 ml
(b) 40 ml
(c) 10 ml
(d) 4 ml
1 Answer
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30/09/2020 10:28 am
(b) 40 ml
Explanation:
Normality of oxalic acid
= 6.3 x 1000/63 x 250 = 0.4 N
N1V1 = N2V2
= 10 x 0.4 = V x 0.1 = 40 ml