An aqueous soltuion of 6.3 g oxaliec acid digydrate is made upto 250mL. The volume of 0.1 N NaOH required to completely neutralilse 10 mL of this solu

Question

An aqueous soltuion of 6.3 g oxaliec acid digydrate is made upto 250mL. The volume of 0.1 N NaOH required to completely neutralilse 10 mL of this solu

An aqueous soltuion of 6.3 g oxaliec acid digydrate is made upto 250mL. The volume of 0.1 N NaOH required to completely neutralilse 10 mL of this solution is :
A. `40 mL`
B. `20 mL`
C. `10 mL`
D. `4 mL`

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - a
Equivalent mass of oxalic acid
`=126/2=63`
Normally of exalic acid
`=6.3/63xx1000/250=0.4N`
`underset(("oxalic acid"))(N_(1)V_(1))=underset((NaOH))(N_(2)V_(2))`
`0.4xx10=0.1xxV_(2)`
`V_(2)=(0.4xx10)/(0.1)=40mL`

4 views Answered 2023-02-05 15:29