August 2018 1 717 Report
Suatu campuran penyangga yg terbentuk dari 500mL larutan HCOOH 1M dan 500mL larutan HCOONa 1M,ditambah 100mL larutan H2SO4 0.05M. hitunglah pH sblm dan ssdah ditambah H2SO4 (Ka HCOOH=2×10-4)

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