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Which of the following gives a buffer solution when equal volumes of the two solutions are mixed? (a) 0.10 M NH; and 0.10 M HCI (b) 0.20 M NH3 and 0.10 M HCI (c) 0.10 M NHẠCI and 0.10 M NH3 (d) 0.20 M NHẠCI and 0.10 M NaOH

Which of the following gives a buffer solution when equal volumes of the two solutions are mixed? (a) 0.10 M NH; and 0.10 M HCI (b) 0.20 M NH3 and 0.10 M HCI (c) 0.10 M NHẠCI and 0.10 M NH3 (d) 0.20 M NHẠCI and 0.10 M NaOH

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Which of the following gives a buffer solution when equal volumes of the two solutions are mixed? (a) 0.10 M NH; and 0.10 M HCI (b) 0.20 М NH; and 0.10 M НСІ (c) 0.10 M NH,Cl and 0.10 M NH3 (d) 0.20 M NH,Cl and 0.10 M NAOH Which of the following solutions has the greater buffer сараcity: 100 mL of 0.30 M HNO2-0.30 M NaNO2 or 100 mL of 0.10 M HNO2-0.10 M NaNO2? Explain. Calculate the concentrations of NH4* and NH3 and the pH in a solution prepared by mixing 20.0 g of NaOH and 0.500 L of 1.5 M NH,CI. Assume that the volume remains constant.
Transcribed Image Text:Which of the following gives a buffer solution when equal volumes of the two solutions are mixed? (a) 0.10 M NH; and 0.10 M HCI (b) 0.20 М NH; and 0.10 M НСІ (c) 0.10 M NH,Cl and 0.10 M NH3 (d) 0.20 M NH,Cl and 0.10 M NAOH Which of the following solutions has the greater buffer сараcity: 100 mL of 0.30 M HNO2-0.30 M NaNO2 or 100 mL of 0.10 M HNO2-0.10 M NaNO2? Explain. Calculate the concentrations of NH4* and NH3 and the pH in a solution prepared by mixing 20.0 g of NaOH and 0.500 L of 1.5 M NH,CI. Assume that the volume remains constant.
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