a)What is the percent ionization of a 0.493 M aqueous solution of hydrosulfuric acid? Ka1 = 9.5x10-8; Ka2 = 1x10-19
b)What is the pH of a 0.400 M aqueous solution of NaCH3COO? Ka (CH3COOH) = 1.8x10-5
c)What is the pH of a 0.437 M aqueous solution of NaHCO3? Ka1 (H2CO3) = 4.2x10-7 Ka2 (H2CO3) = 4.8x10-11
d)What is the pH of an aqueous solution made by combining 14.04 mL of a 0.1614 M hydrochloric acid with 35.78 mL of a 0.3478 M solution of ammonia?
e)What is the pKa1 of H2C2O4? _____ Ka1 = 6.5x10-2. Use three digits for your answer.
a)What is the percent ionization of a 0.493 M aqueous solution of hydrosulfuric acid? Ka1 =...
a)What is the percent ionization of a 0.493 M aqueous solution of hydrosulfuric acid? Ka1 = 9.5x10-8; Ka2 = 1x10-19 b)What is the pH of a 0.400 M aqueous solution of NaCH3COO? Ka (CH3COOH) = 1.8x10-5 c)What is the pH of a 0.437 M aqueous solution of NaHCO3? Ka1 (H2CO3) = 4.2x10-7 Ka2 (H2CO3) = 4.8x10-11 d)What is the pH of an aqueous solution made by combining 14.04 mL of a 0.1614 M hydrochloric acid with 35.78 mL of a...
46. What is the percent ionization of a 0.491 M aqueous solution of carbonic acid? Ka1= 4.2x10^-7; Ka2= 4.8x10^-11 47. What is the percent ionization of a 0.356 M aqueous solution of hydrosulfuric acid? Ka1= 9.5x10^-8; Ka2= 1x10^-19 48. What is the pH of a 0.387 M aqueous solution of acetic acid? Ka (CH3COOH) = 1.8x10^-5 49. What is the pH of a 0.0398 M aqueous solution of benzoic acid? Ka (C6H5COOH) = 6.5x10^-5 50. What is the pH of...
What is the percent ionization of a 0.397 M aqueous solution of carbonic acid? Ka1 = 4.2x10-7; Ka2 = 4.8x10-11
What is the  percent ionization of a 0.461 M aqueous solution of formic acid? Ka (HCOOH) = 1.7x10-4
Calculate the pH and the equilibrium concentration of S2- in a 7.90×10-2 M hydrosulfuric acid solution, H2S (aq). For H2S, Ka1 = 1.0×10-7 and Ka2 = 1.0×10-19
calculate the pH and pOH for a 0.15 M oxalic acid H2C2O4 solution. (ka1-6.0x10^-2, Ka2-6.1x10^-5)
What is the pH of a 0.473 M aqueous solution of hydrofluoric acid? Ka (HF) = 7.1x10-4
Determine the pH of a 0.18 M H2CO3 solution. Carbonic acid is a diprotic acid whose Ka1 = 4.3 ×10-7 and Ka2 = 5.6 × 10-11.10)A) 10.44 B) 5.50 C) 4.31 D) 11.00 E) 3.56
0.50 M solutions of each weak acid in the table are available. Choose an acid solution and determine what volume, in ml, of a 1.00 M NaOH solution should be added to 1.00 L of the acid solution to create a buffer with pH = 3.94. acid base pairs to use: K på, HCO2H/NaHCO2 H2CO3 NaHCO3 H3B03 NaH2B03 NaHCO3/Na2CO3 1.8*10-4 3.74 4.2x10-7 6.38 7.3x10-10 9.14 4.8x10-11 10.32 HCO2H/NaHCO2 H2CO3 NaHCO3 H3B03 NaH2B03 NaHCO3/Na2CO3 ml NaOH
The pH of an aqueous solution of 0.2470 M hydrosulfuric acid, H2S (aq), is