[JNW2]

Having 0.02 mole [itex]CH_3COOH[/itex] with [itex]Ka=1.8 \times 10^{-5}[/itex]
0.01 mole [itex]HCOOH[/itex] with [itex]Ka=1.7 \times 10^{-4}[/itex]
0.01 mole [itex]NH_3[/itex] with [itex]Kb=1.8 \times 10^{-5}[/itex]
0.02 mole [itex]CH_3NH_2[/itex] with [itex]Kb=4.4 \times 10^{-4}[/itex]
Find [itex]pH [/itex] of these solution.

[Borek]

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[AWK]

http://www.chembuddy.com/?left=pH-calculation&right=pH-salt-solution