The following questions refer to an aqueous o.044 M sodium acetate solution. What is the equilibrium...
The following questions refer to an aqueous 0.085 M sodium acetate solution. 1. What is the equilibrium concentration of [Na+]? 2. What is the equilibrium concentration of the acetate ions? 3. What is the pH of the solution?
Using the appropriate Ksp values, find the concentration of NO3- ions in the solution at equilibrium after 600 mL of 0.45 M aqueous Cu(NO3)2 solution has been mixed with 400 mL of 0.25 M aqueous KOH solution. (Enter in M.) (Ksp for Cu(OH)2 is 2.6x10-19). Submit Answer Tries 0/99 Now find the concentration of OH ions in this solution at equilibrium. (Enter in M.) Submit Answer Tries 0/99
The pH of an aqueous solution of 0.203 M sodium acetate, NaCH3COO(aq) is what?
2. Calculate the pH of a 0.10 M aqueous solution of sodium acetate, NaC2H302. (2 pts)
The pH at 25 °C of an aqueous solution of the sodium salt of o-cresol (NaC,H o) is 11.45. Calculate the concentration of CH O in this solution, in moles per liter. Ka for HGH-О is equal to 6.310-11 Submit Answer 3 question attempts remaining The pH at 25 °C of an aqueous solution of the sodium salt of o-cresol (NaC,H o) is 11.45. Calculate the concentration of CH O in this solution, in moles per liter. Ka for HGH-О...
For a 0.1 M aqueous solution of sodium acetate, Na+CH3CO2- , write two mass balance equations and a charge balance equation.
A 1.00 liter solution contains 0.42 M acetic acid and 0.55 M sodium acetate. If 0.280 moles of sodium hydroxide are added to this system, indicate whether the following statements are true or false. (Assume that the volume does not change upon the addition of sodium hydroxide.) A. The number of moles of CH,COOH will decrease. B. The number of moles of CH3COO will increase. C. The equilibrium concentration of H20* will increase. D. The pH will increase. E. The...
please write clearly and circle answer thx 28) a) What is the pH of a 0.159 M aqueous solution of ammonium iodide, NHAI pH- This Solution is acid, basic, or neutral b) What is the pH of a 0.250 M aqueous solution of sodium acetate, NaCH3COO? pH- This Solution is acid, basic, or neutral c) The substance benzoic acid (C6HsCOOH) is a weak acid (Ka - 6.3x10-s) What is the pH of a 0.123 M aqueous solution of sodium benzoate,...
Answer the following three questions: a) What is the pH of an aqueous solution with a hydrogen ion concentration of [H ] = 4.2 × 10–9 M? b) What is the hydroxide ion concentration, [OH–], in an aqueous solution with a hydrogen ion concentration of [H ] = 4.2 × 10–9 M? c) A monoprotic acid, HA, dissociates: The equilibrium concentrations of the reactants and products are [HA] = 0.130 M [H ] = 3.00 × 10–4 M [A–] =...
1)What is the pH of an aqueous solution of 5.51×10-2 M sodium hydroxide? pH =_____ 2)The pH of an aqueous solution at 25°C was found to be 7.30. The pOH of this solution is ______. The hydronium ion concentration is ______ M. The hydroxide ion concentration is ______ M. 3)The hydronium ion concentration in an aqueous solution at 25°C is 3.1×10-2M. The hydroxide ion concentration is ____M. The pH of this solution is ____. The pOH is _____ .