22.4 mL of CO_(2) at STP was absorbed in 100 mL water at 25^(@)C (assu – InterviewSolution

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1.	22.4 mL of CO_(2) at STP was absorbed in 100 mL water at 25^(@)C (assume no volume change). The solution was found to have pH=4. What is the value of pK_(a1) of carbonic acid (assume only first dissociation)?
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