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
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.
2) a) Using the correct number of sig, figs., calculate the pH of a solution that has [H3O1 4.3 x 10-8 M (I pt.) b)) Classify this solution as acidic, basic, or neutral. (1 pt.)