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Calculate the pH of a solution obtained by mixing 300.0 mL of HCOOH0.20 M with 120.0 mL of HCOONa 0.15 M, and describe its properties

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Calculate the pH of a solution obtained by mixing 300.0 mL of HCOOH0.20 M with 120.0 mL of HCOONa 0.15 M, and describe its properties (Ka of HCOOH = 1.8 x 10-4)

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