Find the pH of a solution prepared from 1.0 L of a 0.15 M solution of Ba(OH)2 and excess Zn(OH)2(s). The Ksp of Zn(OH)2 is 3×10−15 and the Kf of Zn(OH)2−4 is 2×1015.
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Find the pH of a solution prepared from 1.0 L of a 0.15 M solution of...
Find the pH of a solution prepared from 1.0 L of a 0.05M solution of Ba(OH)2 and excess Zn(OH)2(s). The Ksp of Zn(OH)2 is 3
An aqueous solution of volume 2.30 L is prepared from 0.15 mol of KF and 0.25 mol of HF. The pH of the solution is (Ka HF = 6.8 x 10-4) A. 11.06 B. 1.97 C. 3.38 D. 12.03 E. 2.95
Find the pH of a solution prepared by adding 1.0 L of 0.10 M butyric acid to 0.50 L of 0.10 M NaOH. (Ka = 1.5 x 10-5) A. 12.69 B. 7.00 C. 2.41 D. 4.82 E. 13.35
1- In the presence of excess OH-, the Zn2+(aq) ion forms a hydroxide complex ion, Zn(OH)42-. Calculate the concentration of free Zn2+ ion when 1.32×10-2mol ZnSO4(s) is added to 1.00 L of solution in which [OH- ] is held constant (buffered at pH 12.40). For Zn(OH)42-, Kf = 4.6×1017. [Zn2+] = ------ M 2- What is the approximate concentration of free Hg2+ ion at equilibrium when 1.86×10-2 mol mercury(II) nitrate is added to 1.00 L of solution that is 1.310...
A solution of HCl is prepared by diluting 25.0 mL of a 1.0 M HCl solution with enough water to make 750 mL of HCl solution. (Show your work for all calculations!) a) What is the molarity of the HCl solution? b) What is the [H3O+] and the pH of the HCl solution? c) Write the balanced chemical equation for the reaction of HCl and Ba(OH)2 d) How many milliliters of the diluted HCl solution is required to completely react...
1.) Calculate the pH of 1.0 L of the buffer 2.00 M CH3COONa/2.00 M CH2COOH before and after the addition of 0.090 mol NaOH. The Ka of CH2COOH is 1.8 x 10% 2.) A 0.4277 g sample of a monoprotic acid neutralizes 244 ml of 0.1381 M KOH solution. Calculate the molar mass of the acid. 3.) In a titration experiment, 27.4 ml of 0.613 M HCOOH neutralize 21.5 ml of Ba(OH)2. What is the concentration of the Ba(OH)2 solution?
What mass of solid NaOH must be added to 1.0 L of water at 25*C in order to dissolve 10.0 g of Zn(OH)2 (Ksp=4.5x10-17) according to the following reaction? Zn(OH)2 (s) + 2OH- (aq) ------> Zn(OH)42- (aq) The formation constant for Zn(OH)42- is Kf=2.8x1015.
pH [H3O+] [OH−] 0.1 L solution 2.5 3.2*10^-3 3.2*10^-12 1.0 L solution 3.50 3.2*10^-4 3.2*10^-11 Find the product of the [H3O+] and the [OH−] for the 0.1 L solution. Find the product of the [H3O+] and the [OH−] for the 1.0 L solution. Select the statement that best answers the following question What is the relationship between [H3O+] and [OH−] for the solutions? The product of [H3O+] and the [OH−] is greater for a solution with a higher pH. The...
Calculate the pH and [S2-] in a 0.15 M H2S solution. Assume Ka, 1.0 x 10-7, Ka2 = 1.0 x 10-19. pH s2-1 Need Help? Read It Supporting Materials ■ Supplemental Data Periodic Table Constants & Factors 7. -6.25 points ZumChemP8 7.E.098. Calculate the pH of a 3.4x 10-3 M solution of H2SO4
1.0 L of a 1.2 M solution of formic acid (Ka=1.8x10-4) was prepared. What is the pH of this solution? 1.8328 You are correct. Your receipt no. is 162-1608 Previous Tries Enough potassium formate was added to achieve a final potassium formate concentration of 1.7 M (assume the volume does not change). What is the pH of this new solution? 3.8960 You are correct. ceipt no. is 162-6598 Previous Tries 10 mL of 10 M NaOH is added to the...