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Hrishant Goswami Grade: 10
        An aqueous solution of 6.3 g oxalic acid dehydrate is made up to 250 mL. The volume of 0.1 N NaOH required to completely neutralize 10 mL of this solution is 

a. 40 mL
b. 20 mL
c. 10 mL
d. 4 mL
3 years ago

Answers : (1)

Jitender Pal
askIITians Faculty
365 Points
										Sol. Oxalic acid dehydrate H2C2O4 . 2H2O : mw = 126

It is a dibasic acid, hence equivalent weight = 63
⇒ Normality = 6.3/63 × 1000/250 = 0.4 N
⇒ N1V1 = N2V2
0.1 ×V1 = 0.4 × 10
Hence, V1 = 40 mL.
3 years ago
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