A buffer solution containing only 0.050 mol of CH3NH2 and 0.060 mol of CH3NH3CI has a total volume of 500 mL. What is the pH after the addition of 0.020 mol of solid NaOH to this buffer? Kb (CH3NH2) = 4.2 x 10-4 O 11.05 O 10.62 O 12.60 10.19

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A buffer solution containing only 0.050 mol of CH3NH2 and 0.060 mol of CH3NH3CI
has a total volume of 500 mL. What is the pH after the addition of 0.020 mol of solid
NaOH to this buffer?
Kb (CH3NH2) = 4.2 x 10-4
O 11.05
10.62
O 12.60
O 10.19
Transcribed Image Text:A buffer solution containing only 0.050 mol of CH3NH2 and 0.060 mol of CH3NH3CI has a total volume of 500 mL. What is the pH after the addition of 0.020 mol of solid NaOH to this buffer? Kb (CH3NH2) = 4.2 x 10-4 O 11.05 10.62 O 12.60 O 10.19
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