21) A buffer is prepared by adding 0.30 moles sodium acetate to 1.0L of a 0.45M...

Question

Question

Answer 1

Answer #1

n cane of w buffon solution of weak auid 2 its salt we Know that = PKa log (Salt [Acid J SadiAcetic acid in a -) -O PH weak a

Answer 2

Similar Homework Help Questions

A buffer solution was prepared by adding 4.72 g of sodium acetate, NaCH, CO2, to 2.50...

A buffer solution was prepared by adding 4.72 g of sodium acetate, NaCH, CO2, to 2.50 10 mL of 0.100 M acetic acid, CH3CO,H (K, = 1.8 x 10-6). a What is the pH of the buffer? pH = 5.10 Correct Find the pH using the Henderson-Hasselbalch equation: 4.72 g 1 mol NaCH, CO2 CH,CO2- ] = [NaCH,CO2] = 0.250 L -= 0.230 M 82.03 g [CH, CO2- pH = pK,+ logo = -log(1.8 x 10-5) + log CH, CO2H]...
A buffer solution is prepared by dissolving 1.000 g of sodium acetate (CH2COONa) into 100.00 mL...

A buffer solution is prepared by dissolving 1.000 g of sodium acetate (CH2COONa) into 100.00 mL of a 0.100 M solution of acetic acid. Then 1.80 mL of a 10.00 M solution of hydrochloric acid is added to the acetic acid/sodium acetate buffer solution. The K, of acetic acid is 1.8 x 10-5. What is the pH of the solution after adding HCI? pH
A buffer solution wwas prepared by adding 4.72 g of sodium acetate, NaCH3 CO2, to 2.50...

A buffer solution wwas prepared by adding 4.72 g of sodium acetate, NaCH3 CO2, to 2.50 x 102 mL of 0.100 M acetic acid, CH3 CO2H (K 1.8 x 105). a What is the pH of the buffer? рH 3D

a buffer solution of pH =5.30 can be prepared by dissolving acetic acid and sodium acetate...

a buffer solution of pH =5.30 can be prepared by dissolving acetic acid and sodium acetate in water. How many moles of sodium acetate must be added to 1 L of 0.25 M acetic acid to prepare the buffer? Ka(CH3COOH)=1.8 x 10^-5
D. Buffers 1. A buffer solution was made by dissolving 10.0 grams of sodium acetate in...

D. Buffers 1. A buffer solution was made by dissolving 10.0 grams of sodium acetate in 200.0 mL of 1.50 M acetic acid. Assuming the change in volume when the sodium acetate is added is not significant, estimate the pH of the acetic acid/sodium acetate buffer solution. The K, for acetic acid is 1.8 x 105. 2. Calculate the pH of a buffer solution that initially consists of 0.0400 moles of ammonia and 0.0250 moles of ammonium ion, after 20.0...
A buffer is prepared by adding 21.0 g of sodium acetate (CH3COONa) to 500 mL of...

A buffer is prepared by adding 21.0 g of sodium acetate (CH3COONa) to 500 mL of a 0.155 M acetic acid (CH3COOH) solution. Determine the pH of the buffer.

A buffer solution is prepared by dissolving 1.000 g of sodium acetate (CH3COONa) into 100.00 mL...

A buffer solution is prepared by dissolving 1.000 g of sodium acetate (CH3COONa) into 100.00 mL of a 0.100 M solution of acetic acid. Then 2.00 mL of a 1.00 M solution of hydrochloric acid is added to the acetic acid/sodium acetate buffer solution. The Ka of acetic acid is 1.8 × 10−5. What is the pH of HCl?
Top question. P1. (Sec. 16.2) What is the pH of a solution prepared by adding 0.45...

Top question. P1. (Sec. 16.2) What is the pH of a solution prepared by adding 0.45 moles of formic acid HCO2H, and 0.40 moles of sodium formate, NaCO,H, in enough water to make a 1.0-liter solution? (Formic Acid: K 1.81 10-) a) 4.32 b) 3.69 c) 5.52 d) 7.32 e) 9.11 P2. (Sec. 16.2) What is the pH of a solution prepared by adding 100 mL of a 0.25 M solution of sodium acetate, NaC2H,O2, into 110 mL of 0.30...
A buffer solution that is 0.10 M sodium acetate and 0.20 M acetic acid is prepared. Calculate the initial pH of thi...

A buffer solution that is 0.10 M sodium acetate and 0.20 M acetic acid is prepared. Calculate the initial pH of this solution The K, for CH3COOH is 1.8 x 10-5 M. As usual, report pH to 2 decimal places. Answer: A buffered solution resists a change in pH. Calculate the pH when 21.2 mL of 0.031 M HCl is added to 100.0 mL of the above buffer. Answer:

A buffer is prepared by adding 18.0 g of sodium acetate (CH3COONa) to 490 mL of...

A buffer is prepared by adding 18.0 g of sodium acetate (CH3COONa) to 490 mL of a 0.140 M acetic acid (CH3COOH) solution. 1) Determine the pH of the buffer. 2) Write the complete ionic equation for the reaction that occurs when a few drops of hydrochloric acid are added to the buffer. (Express your answer as a chemical equation. Identify all of the phases in your answer.) 3) Write the complete ionic equation for the reaction that occurs when...