7. What is the pH of a solution which is 0.10M HNO2? 0.0 to Ha What is the pH of a solution of 0.05M NaCN. MO.baldiss o
Find the pH of a 0.200 M HNO2 solution. - Remember that this is a weak acid. HNO2 (aq) + H2O(l) = H3O+ (aq) + NO; (aq) O pH = 3.45 O pH = 7.05 O pH = 15.5 O pH = 2.02 O pH = 0.45 0 pH = -2.14
Indicate which solution in each pair has the lower pH. (a) 0.2 M NaClO2 or 0.1 M NaClO2 (b) 0.1 M HClO2 or 0.2 M HClO2 (c) water or 0.1 M NaOH (d) 0.1 M HF or 0.1 M HNO2
Find the pH of a 0.200 M HNO2 solution. -Remember that this is a weak acid. HNO2 (aq) + H2O(l) = H30+ (aq) + NO2 (aq) O pH = 3.45 O pH = 7.05 O pH = 15.5 O pH = 2.02 O pH = 0.45 O pH = -2.14
What is the pH of aqueous 0.10 M HNO2? Ką(HNO2) = 4.5 x 10-4 O a 1.00 O b.4.35 O 0 O 0 O 0
7. Calculate the pH of the solution obtained by titrating 50.0 mL of 0.100 M HNO2(aq) with 0.150 M NaOH(aq) to the equivalence point. Take Ka = 5.6 x 10 - M for HNO2(aq).
What is the pH of a solution prepared by adding 1.12g of HNO2 to 315.00 mL of water? (Acid Ionization Constant for HNO2 = 4.50E-4) a) 3.73 b) 11.77 c) 7.00 d) 2.23 e) 5.83E-3
6. Calculate the pH of 0.010 M HNO2 solution. The K, for HNO2 is 4.6 x 104 Answer: pH = 2.72
What is the expected pH of a 0.665M solution of nitrous acid in water? Ka(HNO2) = 4.573x10-4 (pH is a unitless quantity)
What is the pH of a 0.05 M aqueous solution of nitrous acid (HNO2) at 25 oC?