A student prepares a buffer by adding 200.0 mL of 2.0 M NaOH to 500.0 mL of 2.0 M CH3CH2COOH. What is the pH of this buffer? Ka = 1.3 × 10–5
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A student prepares a buffer by adding 200.0 mL of 2.0 M NaOH to 500.0 mL...
4.87 4.92 4.71 4.99 4.57 A student prepares a buffer by adding 200.0 mL of 2.0 M NaOH to 500.0 mL of 2.0 MCH3CH2COOH. What is the pH of this buffer? Ka = 1.3 × 10–5
A buffer is prepared by adding 300.0 mL of 2.0 M NaOH to 500.0 mL of 2.0 M CH3COOH. What is the pH of the buffer?
A buffer is prepared by mixing 200.0 mL of 0.1500 M NaOH with 200.0 mL of 0.200 M CH3CO2H in a 1-L volumetric flask and then diluted to volume with distilled deionized water. Calculate the pH of the buffer. Ka = 1.75 x 10-5
A buffer is prepared by mixing 200.0 mL of 0.1500 M NaOH with 200.0 mL of 0.200 M Benzoic Acid (a monoprotic carboxylic acid) in a 1-L volumetric flask and then diluted to volume with distilled deionized water. Calculate the pH of the buffer. Ka= 6.28 × 10−5and pKa= 4.01. A. 3.53 B. 4.01 C. 4.49 D. 7.00 E. 11.49
500.0 mL of 0.170 M NaOH is added to 615 mL of 0.250 M weak acid (Ka = 1.08 × 10-5). What is the pH of the resulting buffer?
500.0 mL of 0.140 M NaOH is added to 535 mL of 0.250 M weak acid (Ka = 4.06 × 10-5). What is the pH of the resulting buffer?
500.0 mL of 0.100 M NaOH is added to 535 mL of 0.250 M weak acid (Ka = 7.69 × 10-5). What is the pH of the resulting buffer?
500.0 mL of 0.130 M NaOH is added to 555 mL of 0.200 M weak acid (Ka = 7.11 × 10-5). What is the pH of the resulting buffer?
500.0 mL of 0.150 M NaOH is added to 555 mL of 0.200 M weak acid (Ka = 6.24 × 10-5). What is the pH of the resulting buffer?
500.0 mL of 0.120 M NaOH is added to 605 mL of 0.200 M weak acid (Ka = 7.26 × 10-5). What is the pH of the resulting buffer?