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One litre of a solution contains 18.9 gm...

One litre of a solution contains 18.9 gm of `HNO_(3)` and one lire of another solution contains 3.2 gm of NaOH. In what volume ratio must these solutions be mixed to obtain a neutral solution?

Text Solution

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X.is a buffer solution
` pH = pk_a + log ([" Salt"])/(["acid"])`
.Y. is a solution containing acid HCl and base `CH_3 COOK `which give 1 mole of `CH_3 COOH,` a weak base.
` pH =(pK_a - log C)/(2) = (pK_a)/(2)`
The pH ratio of solution .X. and solution .Y. `= PK_a ,( pk_a)/(2) =2:1`
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