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Author Question: Calculate the pH of a 1.60 mol L-1 CH3NH3Cl solution. Kb for methylamine, CH3NH2, is (Read 178 times)

Wadzanai

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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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Wadzanai

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Reply 2 on: Nov 18, 2019
Excellent


laurnthompson

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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