10. A buffer solution is 0,100M in NH3 and 0,050 M in NH4Cl. a. Calculate the pH of the solution. b. 20 mL of 0,100 M NaOH is added to 100mL of the buffer solution. Calculate pH of the resulting solution.
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To calculate the pH of the buffer solution, we need to consider the dissociation of NH3 and NH4Cl. NH3 (ammonia) is a weak base that reacts with water to form NH4+ (ammonium) and OH- (hydroxide) ions: NH3 + H2O ⇌ NH4+ + OH- NH4Cl is a salt that dissociates Show more…
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