You have just made a solution by combining 750 mL of a 0.3 M sodium acetate...
A solution is made by combining 10.0 mL of 18.0 M acetic acid with 5.58 g of sodium acetate and diluting to a total volume of 1.50 L. Calculate the pH of the solution
6. How many mL of 0.2 M sodium acetate should be added to 200 mL of 0.2 M acetic acid to make a buffer of pH 5.5? (refer to Table 2-2 on page 60 for pKa values). What is the molarity of the resulting buffer with respect to acetate (acetate + acetic acid)? 7. How many mL of 0.2 M HCl should be added to 50 mL of 0.2 M Tris base (Trishydroxymethyl aminomethane) to make a buffer of pH...
1. what is the pH of a solution containing 150 mL of 0.25 M sodium acetate and 500mL of 0.30 M acetic acid? Pka of acetic acid is 4.76 2. is the solution above buffered?
A solution is made by combining 10.0 mL of 18.0 M acetic acid with 5.58 g of sodium acetate and diluting to a total volume of 1.50 L. Calculate the pH of the solution. Express your answer using two decimal places.
You need to prepare 900 mL of a 0.25 M acetate buffer solution with a pH of 4.3 a. Determine the concentration of both the acetate (conjugate base) and acetic acid (weak acid) in this solution. b. If you made the solution above using solid sodium acetate and liquid acetic acid, what mass of sodium acetate is required and what volume of glacial acetic acid is required?
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...
1) How would you make 300 ml of a 0.1 M sodium phosphate buffer, pH 7.0 (pKa = 7.2) phosphate dibasic (the conjugate base). 2) What are the concentrations of acetate and acetic acid in a 0.2 M acetate buffer pH 5.3? The pKa for acetic acid is 4.76. 3)You have 100 ml of 0.1 M acetate buffer pH 5.2 (pKa 4.76). You add 10 ml of 0.1 M NaOH. Calculate the resulting change in pH and the buffering capacity...
a)What is the pH of an aqueous solution made by combining 37.75 mL of a 0.3805 M sodium formate with 40.09 mL of a 0.3795 M solution of formic acid? b)What is the pH of an aqueous solution made by combining 10.38 mL of a 0.1884 M hydrochloric acid with 42.76 mL of a 0.3314 M solution of ammonia? c)In a titration of 47.63 mL of 0.3786 M ammonia with 0.3786 M aqueous nitric acid, what is the pH of...
You want to make 500 mL of 0.400 M sodium acetate buffer pH 4.9. You have 17.5 M acetic acid and sodium acetate. Add 5.55 g of sodium acetate. How much acetic acid to add?
You have made 1.5 L of buffer by adding just acetic acid and no acetate to a final concentration of 0.300 M. However, you just adjusted the pH of the solution by adding NaOH to a pH of 4.5. The Ka of acetic acid is 1.7*10^-5. What are the new concentrations of acetic acid and acetate?