Consider the following reaction: CH3COOH(aq)+OH−(aq)= CH3COO−(aq)+H2O(l) The pKa of acetic acid is 4.75. What is the ratio of the concentration of sodium acetate to the concentration of acetic acid at pH 5.75?
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.
Consider the following reaction: CH3COOH(aq)+OH−(aq)= CH3COO−(aq)+H2O(l) The pKa of acetic acid is 4.75. What is the...
Consider the following reaction: CH COOH(aOH (aq) > CH COo (aq)+H2O(I) 1st attempt m# See Periodic Table See Hint How much 6.01 M NaOH must be added to 410.0 mL of a buffer that is 0.0205 M acetic acid and O.0230 M sodium acetate to raise the pH to 5.75? mL
You are making a pH 5.0 buffer with acetic acid (pKa = 4.75) and sodium acetate. You want the total concentration of acetate ([acetic acid] + [sodium acetate] ), to be 0.50 M. What concentrations of acetic acid and sodium acetate do you use to make your buffer? acetic acid sodium acetate
What concentrations of acetic acid (pKa 4.76) and acetate would be required to prepare a 0.10 M buffer solution at pH 4.5? Note that the concentration and/or pH value may differ from that in the first question. STRATEGY 1. Rearrange the Henderson-Hasselbalch equation to solve for the ratio of base (acetate) to acid (acetic 2. Use the mole fraction of acetate to calculate the concentration of acetate. 3. Calculate the concentration of acetic acid Step 1: Rearrange the Henderson Hasselbalch...
Acetic acid and its conjugate base acetate can form an acid-base buffer. The pKa of acetic acid is 4.75. How much 10.0 M HNO3 must be added to 1.00 L of a buffer that is 0.0100 M acetic acid and 0.100 M sodium acetate to reduce the pH to 4.90 ? ___mL?
What is the maximum volume of 1.6 M NaOH(aq) that the buffer (pH=5.75) prepared from sodium acetate and 2.5 L of 0.55 M acetic acid can tolerate without showing a pH change greater than 0.25 units? pKa of acetic acid is 4.75. L The number of significant digits is set to 2; the tolerance is +/-4%
What is the maximum volume of 1.6 M NaOH(aq) that the buffer (pH=5.75) prepared from sodium acetate and 2.5 L of 0.55 M acetic acid can tolerate without showing a pH change greater than 0.25 units? pKa of acetic acid is 4.75. L The number of significant digits is set to 2; the tolerance is +/-4%
Acetic acid and its conjugate base acetate can form an acid-base buffer. The pKa of acetic acid is 4.75. 1st attempt FeedbackSee HintSee Periodic Table How much 10.0 M HNO3 must be added to 1.00 L of a buffer that is 0.0100 M acetic acid and 0.100 M sodium acetate to reduce the pH to 5.05 ?
What concentrations of acetic acid (pKa=4.76)(pKa=4.76) and acetate would be required to prepare a 0.10 M0.10 M buffer solution at pH 4.6pH 4.6? Note that the concentration, pH value, or both may differ from that in the first question. Strategy Rearrange the Henderson–Hasselbalch equation to solve for the ratio of base (acetate) to acid (acetic acid), [A−]/[HA][A−]/[HA] . Use the mole fraction of acetate to calculate the concentration of acetate. Calculate the concentration of acetic acid. Step 1: The ratio...
Calculate the pH of an acetic acid/acetate buffer in which the concentration of acetic acid is always 0.21 M, but the concentration of sodium acetate (NaCH,COO) corresponds to the following value: 0.63 M. (K, for CH,COOH is 1.8 x 10 5.) Report your answer to three significant figures.
(C))3.75 moo (D) 4.75 (E) 5.75 bios nA oir 9. Ka of acetic acid is 1.8 x 10. What is the pH of a solution 0.1M acetic acid and 0.05M sodium acetate? (A) 4.44 oasd A (B) 4.74 (C) 4.96 (D) 5.04 (E) 5.56 10. A buffer solution containing 0.5M acetic acid and 0.5M sodium acetate hais a pH ot 4.745. 5ml 2M sodium hydroxide is added to 995ml of the buffer solution. What is final pH? (A) 4.569 (C))3.75...