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1.575 gm of an organic acid was dissolve...

1.575 gm of an organic acid was dissolved in 250 ml of water Further, 20 ml of this solution required 16 ml of `(N)/(8)` alkali solution for complete neutralisation. If the basicity of the acid is 2, find its molecular mass.

Text Solution

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`16L N//8` alkali solution `-=20mL` of acid solution
`2mL 1N` alkali solution `-=20mL` of acid solution
`(2 xx250)/(20)mL 1N` alkali solution `-=250mL` of acid solution
`25mL 1N` alkali solution `-=1.575g` acid
`1000mL 1N` alkali solution `-= (1.575)/(25) xx 1000g` acid
Eq. mass of the acid `= 63g` acid
Mol. mass of the acid `= 63 xx 2 = 126`
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