(29) ? pH of this new soln. pK (HCN) = 9.30 (a) 9.00 (b) 9.30 (c)...
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(29) ? pH of this new soln. pK (HCN) = 9.30 (a) 9.00 (b) 9.30 (c) 9.60 (d) 4.70 a Volumetric Titration was performed on the weak acid HNO₂ by adding the titrant strong base Ca(OH)₂ PK (HNO₂) = 3.35 a 45.00 ml of a 2.200 x 10-2 M Ca(OH)₂ solution to 20.00 ml. of a 9.900 x 10-2 M HNO₂ soln. (answer questions #30, 31, & 32) (30) ?[ Ca(OH)₂ ] (a) 1.523 x 10-2 M (b) 3.046 x 10-² M (d) 6.854 x 10-2 M (b) 1.523 x 10-2 M (d) 6.854 x 10-2 M = 3.35 (c) 6.769 x 10-3 M (a) 3.046 x 10-2 M (c) 6.769 x 10-3 M (31) ? [HNO₂] (32) ? pH of the above soln. pK (HNO₂) (b) 11.57 (c) 7.92 by 30 (29) ? pH of this new soln. pK (HCN) = 9.30 (a) 9.00 (b) 9.30 (c) 9.60 (d) 4.70 a Volumetric Titration was performed on the weak acid HNO₂ by adding the titrant strong base Ca(OH)₂ PK (HNO₂) = 3.35 a 45.00 ml of a 2.200 x 10-2 M Ca(OH)₂ solution to 20.00 ml. of a 9.900 x 10-2 M HNO₂ soln. (answer questions #30, 31, & 32) (30) ?[ Ca(OH)₂ ] (a) 1.523 x 10-2 M (b) 3.046 x 10-² M (d) 6.854 x 10-2 M (b) 1.523 x 10-2 M (d) 6.854 x 10-2 M = 3.35 (c) 6.769 x 10-3 M (a) 3.046 x 10-2 M (c) 6.769 x 10-3 M (31) ? [HNO₂] (32) ? pH of the above soln. pK (HNO₂) (b) 11.57 (c) 7.92 by 30
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