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Calculate the pH of 1.00 L of a solution that is 0.120M in HNO2 and 0.150M...

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Chemistry

Calculate the pH of 1.00 L of a solution that is 0.120M inHNO2 and 0.150M in NaNO2 before and after youadd 2.0mL of 15.0M HCL. [Ka(HNO2) = 4.0 x10-4]

Answer & Explanation Solved by verified expert
4.3 Ratings (895 Votes)
its an acidic buffer as HNO2 is a weak acid and NaNO2 is a salt of weak acid HNO2 and strong base NaOH moles of NaNO2 015 moles moes of HNO2 012 pH pKa    See Answer
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