
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Question 8
What is the pH of a solution of 100 mL of 0.60 M HCH3CO2 (K₂ = 1.8 x 10-5) and 100 mL
of 0.30 M NaOH?
9.07
4.74
9.22
O5.74
2.79
Question 0
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- What is the pH change when 40.0 mL of 0.100 M NaOH solution is added to 40 mL of 0.100 M H3PO4 solution (Ka1=7.5 x10 -3 Ka2=6.2 x10-8, Ka3=4.8 x10-13)arrow_forwardPropanoic acid (CH3CH2COOH) has a Ka of 1.3×10–5.FW(propanoic acid) = 74.08 g/mol; FW(calcium propanoate) = 186.22 g/mol a) At what pH will a solution of propanoic acid and sodium propanoate best resist changes to its pH? How do you know? b) 75 g calcium propanoate Ca(CH3CH2COO)2 is diluted to 150.0 mL with deionized water. 50.0 mL of a 3.0 M propanoic acid solution is added. Determine the equilibrium concentrations of each species and the pH of the resulting solution.arrow_forward2. The ionization constant for acetic acid is 1.8 x 10-5. How many grams of NaC2H3O2 must be added to one liter of a 0.20 M solution of HC2H3O2 to maintain a hydrogen ion concentration of 6.5 x 10-5 M?arrow_forward
- What is the pH when 20.0 mL of 1.00 M NaOH has been added to 25.0 mL of 1.00 M CH3COOH (Ka=1.8x10-5)? 4.14 0.70 5.35 0.95arrow_forwardWhat is the pH (to two decimal places) of a 50.0 mL 0.15 M NH3 aqueous solution (at 25 °C) after 15.0 mL of 0.20 M HCl is added? Kb = 1.78 × 10–5arrow_forwardWhat is a pH of a solution resulting from the addition of 14.78 mL of 0.1392 M NaOH to 28.99 mL of 0.1950 M HC7H5O2? Ka = 6.300e-5. 4.3971 3.9580 2.4553 9.6724arrow_forward
- What is the pH of a solution when 82.5 mL of a 0.1M HCN solution (ka = 6.2 x 10 -10) is titrated with 41 mL of a 0.085M NaOH solution?arrow_forwardQ4: 30 ml with 0.2 M HOAc is diluted to 100 ml and titrated with 0.1 M NaOH. Calculate the pH when half the acid has been neutralized.arrow_forwardThe ionization constant of acetic acid HC2H3O2 is 1.8 x 10-5. What will be the pH of a 0.10 M HC2H3O2 solution which is 0.10 M in NaC2H3O2arrow_forward
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