## Question

###### Calculate the pH of = buffer system that contains 0.50 M of NH; (aq) ad 0.15 M of NH,Cl(aq) Note that the Kh value of NH; (aq) Is 1.8 x 10pH:b) Determine the change In pH if 2.00 mL of 0.100 M HCl is added to 0.040 L of the buffer system described In part _ApH:c) Determine the change in pH if 2.00 mL of 0.100 M NaOH is added to 0.040 L of the buffer system described in part a)ApH:

Calculate the pH of = buffer system that contains 0.50 M of NH; (aq) ad 0.15 M of NH,Cl(aq) Note that the Kh value of NH; (aq) Is 1.8 x 10 pH: b) Determine the change In pH if 2.00 mL of 0.100 M HCl is added to 0.040 L of the buffer system described In part _ ApH: c) Determine the change in pH if 2.00 mL of 0.100 M NaOH is added to 0.040 L of the buffer system described in part a) ApH:

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