What is the pH of a buffer that consists of 0.85 M CH3COOH and 0.35 M CH3COONa? |
Ka = 1.8 × 10–5 |
Select one:
A. 4.64
B. 4.31
C. 5.52
D. 5.00
E. 4.85
We need at least 10 more requests to produce the answer.
0 / 10 have requested this problem solution
The more requests, the faster the answer.
What is the pH of a buffer that consists of 0.85 M CH3COOH and 0.35 M...
What is the pH of a buffer that consists of 0.45 M CH3COOH and 0.35 M CH3COONa? Ka = 1.8 x 10-5 So the answer is 4.64. However, I was under the impression that it is Ka * (base/acid). So wouldn't that be 1.8 x 10^-5 * (.35/.45)? Isn't the CH3COONa the base? Someone please explain. Thank you.
Calculate the pH of a buffer solution containing 0.100 M CH3COOH and 0.100 M CH3COONa ; Ka of CH3COOH = 1.8 x 10-5
Which of the following pH values are within the buffer range for a buffer containing 0.5 M CH3COOH and 0.5 M CH3COONa? The Ka for CH3COO– is 1.8×10–5. Select any answers that apply. Multiple tries are permitted; however, 25% (1/4) point will be deducted for each incorrect response. Select one or more: 2.76 5.09 0.57 3.81 8.11
What is the pH for a buffer that consists of 0.45 M CH3CH2COOH and 0.80 M CH3CH2COOK? Ka of CH 3 CH 2COOH = 1.3 x 10 -5 a. 9.36 b.5.14 c. 8.86 d.2.62 e. 4.64
14) 14) Calculate the mole ratio of CH3COONa to CH3COOH required to make a buffer with pH of 4.83. Ka of CH3COOH is 1.8 x 10-5. A) 3.00 B) 0.122 C) 10.0 D) 1.22 E) 0.75
1. What is the pH of a buffer consisting of 0.30 M CH3COOH & 0.20 M NACH:COO? Ka= 1.8 x 10-5 2. What is the pH of the buffer with 0.10 M NH3 and 0.20 M NH4NO3? Kl = 1.8 x 10-5 3. What is the pH of a buffer formed from combining 10 mL of 0.250 M HCl with 90 mL of 0.150 M NH3? (K = 1.8 x 10-) 4. Calculate the pH of the solution that results...
7. Calculate the mass of sodium acetate (CH3COONa) that must be added to 1.00 L 0.450 M acetic acid (CH3COOH), Ka = 1.8 x 10 ) to form a pH = 5.00 buffer. Ka = 1.8 x 109.
What is the pH of a solution prepared by mixing 25.00 mL of 0.10 M CH3COOH with 25.00 mL of 0.050 M CH3COONa? Assume that the volume of the solutions are additive and that Ka = 1.8 x 10-5 for CH3COOH.
The Ka for acetic acid, CH3COOH, is 1.8 × 10-5. A buffer, made from 0.10 M CH3COOH and 0.10 M CH3COO- has a pH of ________. a. 4.74 b. 14.00 c. 1.00 d. 9.26 e. 7.00
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]