Calculate the pH of a 3.00 M KIO (aq) (Ka (HIO) = 1.00 x 10-11) I...
Acid/Base Review Questions: 1. HIO is a weak acid with Ka = 2.00 x 10-11. a. Write the formula for the conjugate base. b. Show the reaction for the acid in water. c. Show the reaction for the conjugate base in water. d. Write the K, expression. e. Write the Kb expression. f. Write the product of Ka x Kb. g. Find the pH of the following solutions: i. 0.100 M HIO 0.115 M NaIO Buffer that is 0.100 M...
The weak acid HIO has a Ka of 2.0×10−11. If a 1.7 M solution of the acid is prepared, what is the pH of the solution? The equilibrium expression is: HIO(aq)+H2O(l)⇋H3O+(aq)+IO−(aq) Report your answer with two significant figures.
12. A buffer that contains 100.0 mL of 0.150 M HIO (Ka-3.2 x 10-11) and 0.200 g of Na10 (165.89 g/mol) is prepared. (a) Calculate the pH of the buffer. (b) Calculate the pH after 2.00 ml. of 0.500 M NaOHl s added to 1000 mlL of the bufer prepared in Part (a).
Calculate the pH of a solution that is 1.50 M in HCN (Ka = 6.2 x10-10) and 0.50 M in NaCN. A. 3.44 B. 8.73 C. 9.68 D. 9.21 E. 3.63
11. Calculate the pH of a solution of 0.10 M hydrogen cyanide HON? (Ka = 4.9 x 10-10) E. 9.31 F. 5.15 G. 4.16 H. 1.00
Calculate the pH of 3.083 M HCN (aq) acid solution, Ka = 4.9 x 10−10
Which solution has the highest pH? 0.065 M HIO (Ka=2.3x10-11) 3.5x10-4M HBrO (Ka=2.5x10-9) 5.2x10-7M C6H5NH2 (Kb=4.3x10-10) 1.2x10-7M HCl
1. Calculate pH and % ionization of 0.25 M Naco (Ka (HCO2H) 1.8 x 10") 2- Calculate the pH of: a) 0.35 M HNO b) 0.15 M Sr(O)2 c) 0.08 M Ba(CIO4)2 3- Calculate the pH of 0.375 L buffer solution made of a 0.18 M Acetic acid HC2H:02(Ka 1.8x 10) and a 0.134 M Potassium acetate KC2Hs02 (do not use more than 3 digits beyond the decimal point) a) before adding anything b) after adding 0.010 mol Ba(OH)2 c)...
Calculate the pH of a solution that contains 3.25 M HCN (Ka = 6.2 × 10–10), 1.00 M NaOH and 1.50 MNaCN. Question 14 options: A) 8.28 B) 7.46 C) 9.25 D) 8.86 E) none of these
The Ka of some acid, HA, at 25.0°C is 4.9 10-10. What is the pH of a 0.050 M aqueous solution of A? 1.0 x 10-3 O 9.9 x 10-12 11.00 3.00 O 2.5 x 10-11