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Which of the following yields a buffer solution when equal volumes of the two solutions are mixed? 0.10M HF and 0.10M NaF 0.15M HBr and 0.15M NaBr 0.15 M HNO3 and 0.15 M NaNO3 0.10M HCI and 0.10 M NaCI 0.10M HCIO4 and 0.10 NaCIO4

Which of the following yields a buffer solution when equal volumes of the two solutions are mixed? 0.10M HF and 0.10M NaF 0.15M HBr and 0.15M NaBr 0.15 M HNO3 and 0.15 M NaNO3 0.10M HCI and 0.10 M NaCI 0.10M HCIO4 and 0.10 NaCIO4

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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**Question 20:** Which of the following yields a buffer solution when equal volumes of the two solutions are mixed? - ○ 0.10M HF and 0.10M NaF - ○ 0.15M HBr and 0.15M NaBr - ○ 0.15 M HNO₃ and 0.15 M NaNO₃ - ○ 0.10M HCl and 0.10 M NaCl - ○ 0.10M HClO₄ and 0.10 NaClO₄ **Question 21:** The pH at the equivalence point of a titration may differ from 7.0 due to: - ○ the self-ionization of H₂O - ○ the initial concentration of the standard solution - ○ the initial pH of the unknown
Transcribed Image Text:**Question 20:** Which of the following yields a buffer solution when equal volumes of the two solutions are mixed? - ○ 0.10M HF and 0.10M NaF - ○ 0.15M HBr and 0.15M NaBr - ○ 0.15 M HNO₃ and 0.15 M NaNO₃ - ○ 0.10M HCl and 0.10 M NaCl - ○ 0.10M HClO₄ and 0.10 NaClO₄ **Question 21:** The pH at the equivalence point of a titration may differ from 7.0 due to: - ○ the self-ionization of H₂O - ○ the initial concentration of the standard solution - ○ the initial pH of the unknown
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