Question: 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.)

Q1.

Q2.

of the following aqueous solutions are good buffer systems? (Select all that

Q3.

apply.) 0.25M hydrochloric acid +0.21M sodium chloride 0.38M hydrofluoric acid +0.28M potassium

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

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