Your job is to determine the concentration of ammonia in a commercial window cleaner. In the titration of a 25.0 mL sample of the cleaner, the equivalence point is reached after 22.7 mL of 0.141 M HCl has been added. What is the pH of the solution at the equivalence point?
Your job is to determine the concentration of ammonia in a commercial window cleaner. In the...
Your job is to determine the concentration of ammonia in a commercial window cleaner. In the titration of a 25.0 mL sample of the cleaner, the equivalence point is reached after 13.3 mL of 0.141 M HCl has been added. What is the initial concentration of ammonia in the solution? What is the pH of the solution at the equivalence point?
Your job is to determine the concentration of ammonia in a commercial window cleaner. In the titration of a 25.0 mL sample of the cleaner, the equivalence point is reached after 11.0 mL of 0.175 M HCl has been added. What is the initial concentration of ammonia in the solution? What is the pH of the solution at the equivalence point?
Your job is to determine the concentration of ammonia in a commercial window cleaner. In the titration of a 25.00 mL sample of the cleaner, the equivalence point is reached after 11.53 mL of 0.118 M HCL has been added. The initial concentration of ammonia is .108 M. What is the pH of the solution at the equivalence point?
04 Question (2 points) Your job is to determine the concentration of ammonia in a commercial window cleaner. In the titration of a 25.0 ml sample of the cleaner, the equivalence point is reached after 16.5 mL of 0.105 M HCI has been added 1st attempt Part 1 (1point) What is the initial concentration of ammonia in the sólution? M ammonia Part 2 (1 point) What is the pHh of the solution at the equivalence point - pH 04 Question...
A solution of 0.0480 M HCl is used to titrate 27.0 mL of an ammonia solution of unknown concentration. The equivalence point is reached when 15.5 mL HCl solution have been added. (Assume Kw = 1.01× 10-14.) (a) What was the original pH of the ammonia solution? 匹の10.85 (b) What is the pH at the equivalence point? の5.50 (c) Draw a titration curve for this titration. ( r curve should be quantitative; calculate the pH at different points to construct...
A solution of 0.0470 M HCl is used to titrate 29.0 mL of an ammonia solution of unknown concentration. The equivalence point is reached when 15.5 mL HCl solution have been added. (Assume Kw = 1.01 ✕ 10−14.) (a) What was the original pH of the ammonia solution? WebAssign will check your answer for the correct number of significant figures (b) What is the pH at the equivalence point?
Please help! For the titration of 50. mL of 0.10 M ammonia with 0.10 M HCl, calculate the pH For ammonia, NH3, Kh = 1.8 x 105. (a) Before the addition of any HCl solution pH= The number of significant digits is set to 4; the tolerance is +/-2% (b) After 20. mL of the acid has been added pH = The number of siqnificant digits is set to 3; the tolerance is +/-2% (c) After half of the NH3...
A beaker is filled with 200.0 mL of a sodium hydroxide solution with an unknown concentration. A 0.0100 M solution of HCl is used in the titration. The equivalence point is reached when 18.5 mL of HCl have been added. What is the initial concentration of NaOH in the beaker?
Sera titrates a 10.00 mL sample of a 0.0750 M weak base (A4-) with 0.2500 M HCl, a strong monoprotic acid. The Kb values for this base are Kb1 = 2.00 x 10-3, Kb2 = 3.00 x 10-6, Kb3 = 4.00 x 10-9, and Kb4 = 5.00 x 10-11. Calculate the volume of HCL, in mL, needed to reach the first equivalence point of this titration. Calculate the pH of the titration solution after 4.50 mL of HCl has been...
1) NaOH(aq) + HCl(aq) - NaCl(aq) + H2O(1) To determine the concentration of a NaOH(aq) solution, a student titrated a 50. mL sample with 0.10 M HCl(aq). The reaction is represented by the equation above. The titration is monitored using a pH meter, and the experimental results are plotted in the graph below. 13. 0S 7.04 Answer Key on School Loop @ P 1.07. 0 25.0 50.0 Volume HCI added (mL) One student titrated the NaOH(aq) with 1.0 M HCl(aq)...