7. What is the pH of a solution made by adding 25ml of 0.2M NaOH to 100 ml of a 0.4 M solution of HC2H3O2? (Ka = 1.8 x 10-5)
7. What is the pH of a solution made by adding 25ml of 0.2M NaOH 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...
Calculate the pH of a solution made by adding 48.0 g of sodium formate, NaHCOO, to 100. mL of 0.21 M formic acid, HCOOH. Hint what kind of solution is made? The Ka for HCOOH is 1.8 x 10-4 M. As usual, report pH to 2 decimal places.
Calculate the pH of a solution made by adding 34.0 g of sodium formate, NaHCOO, to 400. mL of 0.31 M formic acid, HCOOH. Hint what kind of solution is made? The Ka for HCOOH is 1.8 x 10-4 M. As usual, report pH to 2 decimal places.
What is the pH of a solution made by adding 10.0 mL of 0.10 M HCl to 25.0 mL of 0.10 M NH3? Kb of NH3 is 1.8 X 10-5.
A 500mL solution of 0.40M HC2H3O2 is made. What mass of NaOH must be added to have a buffer with a pH of 5.20? Ka of Acetic Acid is 1.8*10^-5.
What is the pH of a solution made by adding 0.30 mol of acetic acid (Ka = 1.8 x 10-5) to enough water to make 1.0 L of solution?
7. What is the pH of a solution made by mixing 29.00 mL of 0.15 M acetic acid with 29.00 mL of 0.15 M KOH? Assume that the volumes of the solutions are additive. Ka= 1.8 x 10-5 for CH3CO2H oka-loa 8x10
What is the pH of the solution when 0.2M HCl, 0.4M NaOH and 0.2 M HCN is mixed, assuming the volume is constant. (Ka(HCN)= 5x10-10)
Calculate the pH of a solution made by adding 35.0 g of sodium formate, NaHCOo, to 100 mL of 0.21 M formic acid, HCOOH. Hint what kind of solution is made? The K, for HCOOH is 1.8 x 10-4 M. As usual, report pH to 2 decimal places. Answer:
Calculate the pH of a solution made by adding 35.0 g of sodium formate, NaHCOO, to 100. mL of 0.21 M formic acid, HCOOH. Hint what kind of solution is made? The K, for HCOOH is 1.8 x 10-4 M. As usual, report pH to 2 decimal places. Answer: