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OpenStudy (anonymous):
Calculate the pH of a solution formed by the addition of 0.0020 moles of HCl to 100.0 mL of 0.200 M CH3NH2 / 0.100 M CH3NH3Cl. Kb (CH3NH2) = 4.4 × 10-4
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OpenStudy (aaronq):
use the Henderson-Hasselbalch equation: \(pH=pKa+log\dfrac{[A^-]}{[HA]}\)
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