volume of HCl | pH |
0 | 11 |
1 | 9.95 |
5 | 9 |
9 | 8.05 |
9.9 | 7 |
10 | 5.02 |
10.1 | 3.04 |
12 | 1.75 |
SHORT ANSWER: Write your answer in the space provided. Show all your work. Attach the Excel...
2. The dibasic compound B (pKb 4.00, pKb 8.00) was titrated with 1.00 M HCl. The initial solution of B was 0.100 M and had a volume of 100.0 mL. Find the pH at the following volumes of acid added and make a graph of pH versus Va: Va -0,1, 10, 11,15, 19, 20, and 22 mL.
The dibasic compound B (pKb1 5 4.00, pKb2 5 8.00) was titrated with 1.00 M HCl. The initial solution of B was 0.100 M and had a volume of 100.0 mL. Find the pH at the following volumes of acid added and make a graph of pH versus Va: Va 5 0, 1, 5, 9, 10, 11, 15, 19, 20, and 22 mL. pKb1= 4.00 pkb2= 8.00 11-23. The dibasic compound B (pKb1 = 4.00, pKb2 = 8.00) was titrated...
A 100 mL volume of a 0.100 M weak base (pKb = 5.00) was titrated with 1.00 M HClO4. Find the pH at the following volumes of added acid: 0.00, 1.00, 5.00, 10.00, and 10.10 mL.
Write legibly. Show your work for full credit. All calculations should be performed for an aqueous solution at a temperature of 25 °C. 1. Calculate the pH after the addition of 0.00, 10.00, 25.00, 40.00, 45.00 ,50.00, 51.00, 55.00, 60.00, and 70.00 mL of 0.1000 M of HCl in the titration of 50.00 mL of 0.1000 M NaOH.. 2. Make a graph of pH versus the volume of HCl added. (Use Excel Spread Sheet)
plz attach the work that goes with! thank you Enter your answer in the provided box. A buffer is prepared by mixing 209 mL of 0.452 M HCl and 0.500 L of 0.400 M sodium acetate, NaC2H202. (K. - 1.80 x 10-) What is the pH? pH - 7.79
This is for an analytical chemistry. Please show all work and excel sheets. Cu Determination (5 Points: 5 Points titration, 10 points error/statistics) Copper ions in solution were directly determined with an EDTA titration at a pH of 5.50 using glycinecresol red indicator. Assume a 25.00 mL aliquot of tap water in this titration. Cu Titration Trial VEDTA (mL) 16.98 16.48 16.92 16.29 18.12 16.41 17.12 Pb2 Determination (15 Points: 5 Points Tiration, 10 Points Erroristatistics) Lead was determined through...
Please show your work. Thanks in advance. A 100.0 mL solution of 0.5 M histidine in its tribasic form, A3- , (pKa1 = 1.70, pKa2 = 6.02, pKa3 = 9.08) is titrated with 1.0 M HCl titrant. (a) calculate the pH after the addition of 50.0 mL of titrant, (b) calculate the pH after the addition of 62.0 mL of titrant,
PLEASE ANSWER ALL QUESTIONS (A-E, PLEASE SHOW STEP BY STEP CALCULATION (NOT THE EXCEL SHEET) THIS IS AN ANALYTICAL CHM QUESTION THANK YOU . A series of solutions containing NaOH, Na2CO3, and NaHCO3, alone or in compatible combination, was titrated with 0.1202 M HCl. Tabulated below are the volumes of acid needed to titrate 25.00-ml portions of each solution to (1) a phenolphthalein and (2) a bromocresol green end point. Use this information to deduce the composition of the solutions....
Part A.) Consider that you are titrating a diprotic weak base "B" which has pKb1=4 and pKb2=8. The product of the first ionization of B is BH+ and the product of the second ionization is BH22+. A 0.00500-mol sample of the base is dissolved in enough water to produce 100.0 mL of solution and is titrated with 0.500 M HCl. What is the exact pH when 7.2 mL of HCl is added? Enter your answer to three significant figures. Part...
Answer all assigned questions and problems, and show all work. Determine the pH of (a) a 0.40 MCH3CO2H solution, (b) a solution that is 0.40 MCH3CO2H and 0.20 MNaCH3CO2. (8 points) (Reference: Chang 16.5) Which of the following solutions can act as a buffer? (a) KCl/HCl, (b) KHSO4/H2SO4, (c) KNO2/HNO2.(5 points) (Reference: Chang 16.9) Calculate the pH of the buffer system made up of 0.15 MNH3/0.35 MNH4Cl. (5 points) (Reference: Chang 16.11) The pH of a bicarbonate-carbonic acid buffer is...