29. A student has 200 mL of a buffer solution that consists of 0.700 M of citric acid and 0.500 M sodium citrate. W...

Question

Question

Answer 1

Answer #1

29) sodium citric citrale acid pr= pket lag (sodiu with - 3.06 + log o. So - 3.06 - 0.146 pH = 2.91

Answer 2

Similar Homework Help Questions

What is the pH of a buffer solution prepared with a 0.5 M sodium citrate and...

What is the pH of a buffer solution prepared with a 0.5 M sodium citrate and 1% citric acid (pKa for citric acid = 3.13, MW = 192 g/mole).
1. What is the pH of a buffer solution prepared with a 0.4 M sodium citrate...

1. What is the pH of a buffer solution prepared with a 0.4 M sodium citrate and 1% citric acid (pka for citric acid - 3.13, MW - 192 g/mol)? 8. A buffer solution is prepared using 0.4 mole of a weakly basic drug (pka - 10.1) and an unknown quantity of its salt. The final solution has a pH of 8.99. How much of the salt was used? 9. A buffer solution with a desired pH of 8.15 needs...
A buffer solution is prepared by mixing 23.6 mL of 0.398 M sodium dihydrogen citrate with...

A buffer solution is prepared by mixing 23.6 mL of 0.398 M sodium dihydrogen citrate with 36.6 mL of 0.881 M sodium hydrogen citrate A table of pKa values can be found here 1. Calculate the pH (to two decimal places) of this solution Assume the 5% approximation is valid and that the volumes are additive. Submit Answer Tries 0/3 2. Calculate the pH (to two decimal places) of the buffer solution after the addition of 24.9 mL of a...

Citric Acid has 3 pKas: 3.13, 4.76, and 6.39. How many grams of sodium citrate monobasic...

Citric Acid has 3 pKas: 3.13, 4.76, and 6.39. How many grams of sodium citrate monobasic (HOC(COONa)(CH2COOH)2) and citric acid (HOC(COOH)(CH2COOH)2) are needed to make 300 mL of a 10 mM citrate buffer of exactly pH 2.8? The molecular weight of sodium citrate monobasic (NaH7C6O7) is 214.11 g/mol and that of citric acid (H8C6O7) is 192.12 g/mol.
A student prepares a 100.0-mL buffer solution that is 0.200 M in hydrofluoric acid and 0.200...

A student prepares a 100.0-mL buffer solution that is 0.200 M in hydrofluoric acid and 0.200 M in sodium fluoride. How many grams of sodium hydroxide should be added to the buffer solution to change its pH to 4.00? (Assume no volume change upon adding the sodium hydroxide). I'm seeking the detailed work in finding the solution to this problem. Many thanks!
A 1.32 L buffer solution consists of 0.121 M butanoic acid and 0.345 M sodium butanoate....

A 1.32 L buffer solution consists of 0.121 M butanoic acid and 0.345 M sodium butanoate. Calculate the pH of the solution following the addition of 0.066 moles of NaOH. Assume that any contribution of the NaOH to the volume of the solution is negligible. The Ka of butanoic acid is 1.52 × 10-5. A 1.44 L buffer solution consists of 0.326 M propanoic acid and 0.103 M sodium propanoate. Calculate the pH of the solution following the addition of...

1. Please calculate the pH of a solution containing 2.0M citric acid and 1.0M sodium citrate....

1. Please calculate the pH of a solution containing 2.0M citric acid and 1.0M sodium citrate. 2. Please calculate the pH of a solution containing 1.0M tartaric acid and 1.OM potassium tartarate. 3. Please calculate the pH of a solution containing 0.25M CH NH, and 0.37M C.HNH,CI. 4. Please design a buffer system to maintain a pH of 7.20. 5. Please design a buffer system to maintain a pH of 3.70. 6. For each of the following solutions please calculate...
1) A buffer solution contains 0.346 M hydrofluoric acid and 0.392 M sodium fluoride . If...

1) A buffer solution contains 0.346 M hydrofluoric acid and 0.392 M sodium fluoride . If 0.0239 moles of potassium hydroxide are added to 125 mL of this buffer, what is the pH of the resulting solution ? (Assume that the volume does not change upon adding potassium hydroxide. ) pH = _______ 2) A student needs to prepare a buffer made from HF and KF with pH 2.904. If Ka for HF is 7.2x10^-4, what ratio of [HF]/[F-] is...
A student needs to make a buffer solution with a pH of 5.08 using acetic acid...

A student needs to make a buffer solution with a pH of 5.08 using acetic acid and sodium hydroxide starting with 100.0 mL of 0.38 M acetic acid. Calculate the number of moles of sodium hydroxide that should be added to achieve the desired pH.

A buffer solution with a volume of 0.0250 L consists of 0.61 M iodous acid (HIO2),...

A buffer solution with a volume of 0.0250 L consists of 0.61 M iodous acid (HIO2), a weak acid, plus 0.61 M lithium iodite (LiIO2). The acid dissociation constant of iodous acid, Ka, is 3.2 ✕ 10−5. Determine the pH of the buffer solution after the addition of 0.0034 mol sodium hydroxide (NaOH), a strong base. (Assume no change in solution volume.) can u solve with an ice table? thank you.