Q1.

Q2.

Q3.

PLEASE SELECT ALL THAT APPLY FOR EACH QUESTION.

Which of the following aqueous solutions are good buffer systems? (Select all that apply.) 0.25M hydrochloric acid +0.21M sodium chloride 0.38M hydrofluoric acid +0.28M potassium fluoride 0.32M ammonium nitrate +0.30M ammonia 0.16M potassium cyanide +0.25M hydrocyanic acid 0.17M acetic acid +0.19M potassium acetate Which of the following aqueous solutions are good buffer systems? (Select all that apply.) 0.16M acetic acid +0.11M potassium acetate 0.28M perchloric acid +0.16M sodium perchlorate 0.31M ammonia +0.35M calcium hydroxide 0.17M sodium hydroxide +0.20M sodium bromide 0.37M potassium iodide +0.28M barium iodide Which of the following aqueous solutions are good buffer systems? (Select all that apply.) 0.12M acetic acid +0.18M sodium acetate 0.28M hydroiodic acid +0.16M potassium iodide 0.31M ammonium nitrate +0.37M ammonia 0.19M sodium hydroxide +0.22M sodium chloride 0.31M hydrocyanic acid +0.24M potassium cyanide