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100 cm^(3) of a solution of an acid (Mol...

`100 cm^(3)` of a solution of an acid (Molar mass =98) containing 29.4 g of the acid per litre were completely neutralized by `90.0cm^(3)` of aq. NaOH cotanining 20 g of NaOH per`500 cm^(3)`. The basicity of the acid is

A

3

B

2

C

1

D

data insufficient

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The correct Answer is:
A
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