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Author Question: Calculate the pH of a 0.200 mol L-1 solution of formic acid, Ka = 1.8 10-4. (Read 29 times)

altibaby

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  • Posts: 562
on: Nov 18, 2019

Question 1

Determine the pOH of a 0.188 mol L-1 NH3 solution at 25 °C. The Kb of NH3 is 1.76 × 10-5.
◦ 12.656
◦ 8.520
◦ 2.740
◦ 11.260
◦ 5.480

Question 2

Calculate the pH of a 0.200 mol L-1 solution of formic acid, Ka = 1.8 × 10-4.
◦ 2.22
◦ 3.07
◦ 3.84
◦ 4.62
◦ 1.97
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Marked as best answer by altibaby on Nov 18, 2019

quynhmickitran

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Reply #1 on: Nov 18, 2019
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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altibaby

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Reply 2 on: Nov 18, 2019
Excellent

bblaney

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Reply 3 on: Yesterday
:D TYSM

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