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Science-Related Homework Help Chemistry Topic started by: lulalu on Oct 13, 2018



Title: What is the pH of the resulting solution if 45 mL of 0.432 M methylamine, CH3NH2, is added to 15 mL ...
Post by: lulalu on Oct 13, 2018
What is the pH of the resulting solution if 45 mL of 0.432 M methylamine, CH3NH2, is added to 15 mL of 0.234 M HCl?  Assume that the volumes of the solutions are additive.  
Ka = 2.70  10-11 for CH3NH3+.
A) 2.77
B) 4.09
C) 9.91
D) 11.23


Title: What is the pH of the resulting solution if 45 mL of 0.432 M methylamine, CH3NH2, is added to 15 mL ...
Post by: hungwang on Oct 13, 2018
 D