Chemistry
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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▼ Part A 160.0 mL of 0.25 M HF with 220.0 mL of 0.32 M NaF The Ka of hydrofluoric acid is 6.8 x 10-4. Express your answer using two decimal places. pH = Submit Request Answer Part B 15 ΑΣΦ pH = 170.0 mL of 0.11 M C₂H5NH2 with 270.0 mL of 0.22 M C₂H5NH3 Cl Express your answer using two decimal places. ΨΕ ΑΣΦ Submit Request Answer → C ? F ?
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Transcribed Image Text:▼ Part A 160.0 mL of 0.25 M HF with 220.0 mL of 0.32 M NaF The Ka of hydrofluoric acid is 6.8 x 10-4. Express your answer using two decimal places. pH = Submit Request Answer Part B 15 ΑΣΦ pH = 170.0 mL of 0.11 M C₂H5NH2 with 270.0 mL of 0.22 M C₂H5NH3 Cl Express your answer using two decimal places. ΨΕ ΑΣΦ Submit Request Answer → C ? F ?
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Step 1: Defining buffer solution!
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Step 2: Calculation for the pH of HF and NaF buffer!
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Step 3: Calculation for the pH of ethyl amine and ethyl ammonium chloride buffer!
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