Asked Dec 6, 2019

What mass of KOH would need to be dissolved in 500.0 mL of water to produce a solution with a pH of 12.40? (In grams)


Expert Answer

Step 1

KOH completely dissociates since it is strong base.



Image Transcriptionclose

КОН —> К* + ОН pH + PОН 3 14 — РОН - 14—рH РОН %3D 14 — 12.40 %3D 1.6 РОН- - 1og| ОН -1.6 Гон ]- |Он 3 0.025 М [КОН] - [он| —0.025 М


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