A solution is made by dissolving 0.5g Na2CO3in 10 mL of water, and that solution is then titrated with 0.5M
HCl. Calculate the pH of the solution after adding 15 mL of the acid titrant. For H2CO3, pKa,1= 6.35, pKa,2= 10.33.
A solution is made by dissolving 0.5g Na2CO3in 10 mL of water, and that solution is...
A solution is made by dissolving 13.2 g of HCl in 774.7 mL of water. Calculate the pH of the solution. Assume that the volume of the solution not change with the addition of HCl.
A 0.200 M solution of NaClO prepared by dissolving NaClO in water. A 55.0 mL sample of this solution is titrated with 0.200 M HCl.K_a for HClO is 3.5 times 10^-8. Calculate the pH of the solution at each of the following points of the titration: a. Prior to the addition of any HCl b. Halfway to the equivalence point c. At the equivalence point d. After 6.00 mL of HCl has been added beyond the equivalence point
A.) A 20.0 mL sample of 0.0600 M carbonic acid (H2CO3) is titrated with 5.00 mL of 0.0960 M KOH. What is the solution pH to the nearest hundredths place? pKa1 = 6.35 and pKa2 = 10.33. B.) A 20.0 mL sample of 0.0600 M carbonic acid (H2CO3) is titrated with 0.0960 M KOH. How many mL of titrant are required to reach the first equivalence point? C. )A 20.0 mL sample of 0.0600 M carbonic acid (H2CO3) is titrated...
A solution is made by dissolving 12.1 g of HCl in enough water to make 642 mL of solution. Calculate the pH of the solution at 25°C.
A solution is made by dissolving 20.1 g of HCl in enough water to make 544 mL of solution. Calculate the pH of the solution at 25°C.
1) You have 50 mL of a buffer solution that is 0.15 M in HA and 0.25 M in A-. Calculate the pH of the solution after you add 100 mL of 0.01 M HCl to the solution. The pKa of HA is 4.75. 2)You wish to prepare 100 mL of a buffer solution that is 0.025 M in carbonic acid (H2CO3). The pKa of H2CO3 is 6.351. Calculate the amount of H2CO3, in grams, that you will need to...
Calculate the pH of a solution made by adding 42 g of sodium acetate, NaCH3COO, to 22 g of acetic acid, CH3COOH, and dissolving in water to make 300. mL of solution. Hint given in feedback. The K, for CH3COOH is 1.8 x 10-5 M. As usual, report pH to 2 decimal places. Answer: Calculate the pH of a solution made by adding 59 g of sodium acetate, NaCH3COO, to 22 g of acetic acid, CH3COOH, and dissolving in water...
The pKa of hypochlorous acid is 7.530. A 58.0 mL solution of 0.123 M sodium hypochlorite (NaOCl) is titrated with 0.255 M HCl. Calculate the pH of the solution after the addition of 8.48 mL of 0.255 M HCl. pH= Calculate the pH of the solution after the addition of 29.7 mL of 0.255 M HCl. pH= Calculate the pH of the solution at the equivalence point with 0.255 M HCl. pH=
10. Calculate the molarity of a solution made by dissolving 5 moles of NaOH in water to the total volume of 3L. 12. What volume of 3M NaOH is needed to make 250 mL of 0.5M NaOH solution? 14. How many grams of NaCl are neede to make 3.5 moles of AgCl? NaCl(aq) + AgNO3(aq)→ NaNO3(aq) + AgCl (s) 15. Calculate percent yield of the reaction, that produces 14 g of AgCl when 40g of NaCl reacts with 40 g...
pKa of hypochlorous acid is 7.530. A 52.0 mL solution of 0.104 M sodium hypochlorite (NaOCl) is titrated with 0.306 M HCl. Calculate the pH of the solution after the addition of 7.02 mL of 0.306 M HCl. Calculate the pH of the solution after the addition of 18.9 mL of 0.306 M HCl. Calculate the pH of the solution at the equivalence point with 0.306 M HCl