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What Is the PH of the Resulting Solution If 45

Question 39

Multiple Choice

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

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