We need at least 10 more requests to produce the answer.
0 / 10 have requested this problem solution
The more requests, the faster the answer.
please solve and show work! A 25.0 mL sample of 0.200 M nitrous acid is titrated...
2. A sample of 50 ml of nitrous acid (KA = 5.6 x 10“) is titrated with 0.070 M NaOH. The equivalence point is reached after the addition of 43.2 ml of the strong base. a) (3 marks) What is the pH of the solution at the equivalence point? b) (3 marks) What is the pH of the solution after 50 ml of NaOH has been added to the original nitrous acid solution?
2. A sample of 65 ml of nitrous acid (KA = 5.6 x 104) is titrated with 0.075 M NaOH. The equivalence point is reached after the addition of 44.5 ml of the strong base. a) (3 marks) What is the pH of the solution at the equivalence point? b) (3 marks) What is the pH of the solution after 60 ml of NaOH has been added to the original nitrous acid solution?
2. A sample of 60 ml of nitrous acid (KA= 5.6 x 104) is titrated with 0.075 M NaOH. The equivalence point is reached after the addition of 45.8 ml of the strong base. a) (3 marks) What is the pH of the solution at the equivalence point? I b) (3 marks) What is the pH of the solution after 60 ml of NaOH has been added to the original nitrous acid solution?
A 25.0 mL sample of 0.150 M formic acid is titrated with a 0.150 M NaOH solution. What is the pH at the equivalence point? The Ka of formic acid is 1.8 ⋅ 10-4.
3. A 25.00 mL sample of 0.200 M nitrous acid is titrated with 0.300 M sodium hydroxide What is the pH of the solution when 10.00 mL of based has been added (K, = 4.6 x 104 for HNO.) 25 pts)
A 25.0 mL sample of 0.150 M acetic acid (CH3COOH) is titrated with 0.150 M NaOH solution. What is the pH at the equivalence point? The Ka of acetic acid is 4.5E-4
24. A 25.0 mL volume of a 0.200 M N,H& solution (K 1.70x10 titrated to the equivalence point with 0.100 M HCl. What is the pH of this solution at the equivalence point? The titration is a. 4.70 b. 8.23 c. 7.00 d. 9.30 24. A 25.0 mL volume of a 0.200 M N,H& solution (K 1.70x10 titrated to the equivalence point with 0.100 M HCl. What is the pH of this solution at the equivalence point? The titration is...
A 25.0 mL sample of 0.150 M chloroacetic acid is titrated with a 0.150 M NaOH solution. What is the pH at the equivalence point? The of chloroacetic acid is 1.4 ×10-3.
1.A 20.0-mL sample of 0.150 M nitrous acid (HNO:) is titrated with 0.200 M NaOH at 25°C. Calculate the pH after 10.0 mL of the NaOH solution has been added. K. for HNO2 = 4.5x 10 A) 3.65 B) 10.35 C) 10.95 D) 3.17 E) 3.52 2. Consider the following reaction: NO, (ag)+H(aq) + l:(s) NO:(g) + H20(D 10, (ag) Which of the following statements is correct? A) The species reduced is I B) Oxidation umber of oxygen increases C)...
A 25.0 mL sample of 0.150 M benzoic acid is titrated with a 0.150 M NaOH solution. What is the pH after the addition of 13.0 mL of NaOH? The Ka of benzoic acid is 6.3x10-5.