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Author Question: Calculate the pH of a 1.60 mol L-1 CH3NH3Cl solution. Kb for methylamine, CH3NH2, is (Read 96 times)

Wadzanai

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  • Posts: 528
on: Nov 18, 2019

Question 1

The acid-dissociation constant of hydrocyanic acid (HCN) at 25.0 °C is 4.9 × 10-10. What is the pH of an aqueous solution of 0.87 mol L-1 sodium cyanide (NaCN)?
◦ 4.2 × 10-3
◦ 2.38
◦ 11.62
◦ 0.06
◦ 13.94

Question 2

Calculate the pH of a 1.60 mol L-1 CH3NH3Cl solution. Kb for methylamine, CH3NH2, is
◦ 8.82
◦ 1.61
◦ 12.39
◦ 5.18
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Marked as best answer by Wadzanai on Nov 18, 2019

isabelt_18

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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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Wadzanai

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  • Posts: 528
Reply 2 on: Nov 18, 2019
YES! Correct, THANKS for helping me on my review

ttt030911

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Reply 3 on: Yesterday
:D TYSM

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