Calculate the concentration of H+ in a solution that has a pH of 8.23.
Give your answer to 2 sig figs.
Calculate the concentration of H+ in a solution that has a pH of 8.23. Give your...
1. Calculate the concentration of an aqueous soution of NaOH that has a pH of 12.09 express answer using 2 sig figs 2. Calculate the concentration of an aqueous solution of Ca(OH)2 that has a pH of 12.91 express answer using 2 sig figs. 3. Calculate the concentration of an aqueous solution of Ca(OH)2 that has a pH of 12.39 express answer using 2 sig figs
If a solution of acetic acid (K = 1.8 x 10-5) has a pH of 2.90, calculate the original (initial) concentration of acetic acid (HC,H,O) (Report your answer in 1 sig. fig. Example: .03942 would be reported as 0.04) Be sure to include a zero in front of the decimal point. QUESTION 37 5 points Save Answer The K, for benzoic acid C.H.COOH is 6.3 x 106. Calculate the equilibrium concentrations of H,0* in the solution if the initial concentration...
A 0.10 M solution of a weak acid, “HA”, has a pH of 5.20. Calculate [H3O+]. Keep 2 sig figs in your answer.
Part E If the pH of the solution is 4.7, calculate the molar concentration of H+(aq) in the solution. Express your answer using one significant figure. Part F If the pH of the solution is 4.7, calculate the molar concentration of OH-(aq) in the solution. Express your answer using one significant figure.
A 0.645 M solution of a weak base (B:) is made. The solution has a pH of 11.99. Calculate the Kb of this base. Report your answer in scientific notation with 3 sig figs.
A 0.771 M solution of a weak base (B:) is made. The solution has a pH of 11.35. Calculate the Kb of this base. Report your answer in scientific notation with 3 sig figs. Preview
A. Calculate the pH of a solution that has a concentration of H+ of 8.9 x 10-5 M and indicate whether the solution is acidic, basic, or neutral. B. An acetic acid buffer solution is required to have a pH of 5.27. You have a solution that contains 0.010 moles of acetic acid. How many moles of sodium acetate will you need to add to the solution? The pKa of acetic acid is 4.74. Show all calculations.
Calculate the pH of a 0.982 M solution of hydrogen sulfide (H2S) Where: H2S (aq) -> H+ (aq) + HS- (aq) Ka1 = 1.0 x 10-7 HS- (aq) -> H+ (aq) + S2- (aq) Ka2 = 1.0 x 10-19 Enter your answer with at least 2 sig figs.
(A) A solution has a hydroxide concentration of 122.846 mM. What is the pH? (B)Calculate the pH of a 252.85 μM solution of HNO3 (C)Calculate the pH of a 4.193 μM solution of KOH. (D)Determine the pH of a 0.0302 mM solution of Mg(OH)2 (E)What concentration of HCl is needed to have a solution with a pH = 3.52? Report your answer in mM.
Calculate the [H+] in a solution that is 0.741 M in NaX and 0.252 M in HX given that the Ka of HX is 5.68⋅10−2. Report your answer in scientific notation to 3 sig figs.