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Calculate the mole ratio in which salt a...

Calculate the mole ratio in which salt and acid are to be mixed in order to get a buffer solution of 5? [`pK_(a)` of acid = 4].

Text Solution

Verified by Experts

Henderson's equation `pH=pK_(a)+"log"(["Salt"])/(["Acid"])`
`5=4+"log"(["Salt"])/(["Acid"])`
`1="log"(["Salt"])/(["Acid"])`
`1="log"10/1`
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