Chemistry, 25.09.2021 01:00 elissadiaz15

Question 7 5 points The pH of the buffer obtained by adding 20.0 g of NH4CI (NH4Cl = 53.492 g mol '] to 500.0 mL of 0.400 M NH3, is: O A. 8.971 O B.9.178 O C. 4.958 O D.5.264.

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Question 7 5 points The pH of the buffer obtained by adding 20.0 g of NH4CI (NH4Cl = 53.492 g mol ']...