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please solve and show work! Consider a 1.0 L solution of 0.20 M acetic acid, CH3COOH....
(Please show work) A 100.0 mLbuffer solution is 0.250 M in acetic acid (CH3COOH) and 0.250 M in sodium acetate (CH3COONa). [Acetic Acid (CH3COOH) Ka = 1.8 x 10-5] a)What is the pH of this buffer solution? b)What is the pH after addition of 0.0050 mol of HCl? c)What is the pH after addition of 0.0050 mol of NaOH?
please solve and show work! A buffer contains 0.50 M CH3COOH (acetic acid) and 0.50 M CH3COONa (sodium acetate). The pH of the buffer is 4.74. What is the pH after 0.10 mol of HCI is added to 1.00 liter of this buffer? A.5.57 B.4.74 C.4.38 D. 4.92 E.4.57
To prepare 1.0 L of a buffer that is 0.10 M CH3COOH and 0.10 M CH3COo, you can i. Add 0.10 mol of NaCH3COO (8.20 g NaCH3COO) to 1 L of 0.10 M CH3COOH ii. Add 0.10 mol of NaOH (4.00 g NaOH) to 1 Lof 0.20 M CH3COOH ili. Add 0.20 mol NaCH3COO (28.7 g NaCH3COO) to 1 L of 0.10 M HOI A. Only i B. Only ii C. Only ii D. i, ii, and ii
Which of the following aqueous mixtures will result in a buffer? X. 0.20 mol CH3COOH + 0.10 mol CH3COONa in 1.00 L solution Y. 0.20 mol NaOH + 0.20 mol NaCl in 1.00 L solution Z. 0.20 mol CH3COOH + 0.20 mol CH3COONa in 1.00 L solution
Which of the following aqueous mixtures will result in a buffer? X. 0.20 mol CH3COOH + 0.10 mol CH3COONa in 1.00 L solution Y. 0.20 mol NaOH + 0.20 mol NaCl in 1.00 L solution Z. 0.20 mol CH3COOH + 0.20 mol CH3COONa in 1.00 L solution
1. Which of the following aqueous mixtures will result in a buffer? X. 0.20 mol CH3COOH + 0.10 mol CH3COONa in 1.00 L solution Y. 0.20 mol NaOH + 0.20 mol HCl in 1.00 L solution Z. 0.20 mol NH3 + 0.20 mol CH3COOH in 1.00 L solution O X, Y and Z O X only O Z only O X and Y O none of them O X and Z O Y and Z O Y only
A 1.0 L buffer solution contains .30 moles acetic acid and .10 moles lithium acetate. which of the following actions will destroy the buffer? A 1.0 L buffer solution contains 0.30 moles acetic acid (CH3CO2H) and 0.10 moles lithium acetate (CH,COLI). Which of the following actions will destroy the buffer? A. Addition of 0.10 moles of NaOH B. Addition of 0.10 moles of HCI
5. Calculate the grams of NaCH3COO required for 100.0 mL of 0.20 M CH3COOH solution to achieve a pH of 4.40. (Assume no volume change.) K = 1.8 x 10-5 6. What is the pH of 100.0 mL of buffer consisting of 0.20 M CH3COOH/0.20 M NaCH3COO after 10.0 mL of 0.20 M HC1 was added into the solution ? Kg = 1.8 x 10-5 7. The pH of a sodium acetate-acetic acid buffer is 4.80. Calculate the ratio of...
calculate the ph of a buffer solution that contains 1.5 M acetic acid (CH3COOH) and 0.3 M sodium acetate (CH3COONa) [Ka=1.8x10-5 for acetic acid]
3. One liter of buffer solution was prepared by mixing 0.1 mole of acetic acid CH3COOH and 0.05 mole of sodium acetate CH3COONa. Calculate a. pH of that solution b. How much of a strong base, say NaOH, in mol/L needs to be added to that solution to change its pH to 6.0? Notes and useful data: For acetic acid pK4.75 For carbonic acid pKa 6.3 and pKa 10.3 Sodium acetate CH3COONa dissociates entirely to Na'CH3COO