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Some Basic Concepts of Chemistry
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12/08/2021 10:31 am
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An aqueous solution of oxalic acid dihydrate contains its 6.3 g in 250 mL. The volume of 0.1 N NaOH required to completely neutralize 10 mL of this solution
(a) 4 mL
(b) 20 mL
(c) 2 mL
(d) 40 mL
1 Answer
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12/08/2021 10:35 am
Correct answer: (d) 40 mL
Explanation:
Normality of oxalic acid solution
= \(\frac{6.3 \times 1000}{63 \times 250}\) = 0.4 N
Now from
\(N_1V_1 = N_2V_2\)
0.4 x 10 = 0.1 x \(V_2\)
\(V_2\) = 40 mL