August 2018 1 77 Report
Suatu campuran penyangga yg trbntuk dari 500mL larutan HCOOH 1 M dan 500mL larutan HCOONa 1 M, ditambah 100mL larutan yg pH-nya 1. hitunglah pH sblm dan ssudah ditambah dgn larutan itu (Ka HCOOH = 2×10-4)

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