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Upell WILIT Preview Problem 1. (15 pts) A 100 mL of a 0.1M weak diprotic base B was Grade titrated with 0.1M HCI....
TUJILLU_LUTJ u uwy pu ETUVIN Grade Problem 4. (15pts) A 100 mL of 0.1M weak monoprotic acid HA, pk =4, was titrated...
TUJILLU_LUTJ u uwy pu ETUVIN Grade Problem 4. (15pts) A 100 mL of 0.1M weak monoprotic acid HA, pk =4, was titrated with 0.1M NaOH. Calculate pH at Vuc-75 mL. MOH Final Answer
1. (7 pts) 35.0 mL of a 0.275 M weak base is titrated with 0.325 M...
1. (7 pts) 35.0 mL of a 0.275 M weak base is titrated with 0.325 M HCl. Determine each of the following and sketch the titration curve. If you do the problem on other paper, you will need to do a reasonable approximation of the graph. Ky of the weak base = 2.7 x 10-4 a. The volume of added acid required to reach the equivalence point. b. The initial pH. c. The pH when 5.0 mL of acid has...
4. A weak acid was titrated with 0.1M NaOH, and the titration curve is shown, 14...
4. A weak acid was titrated with 0.1M NaOH, and the titration curve is shown, 14 12 10 8 pH of solution G ... 4 4 6 8 10 14 02 mL of Base added a. Is this a monoprotic or diprotic acid? - has two scemps b. Estimate the values of the pKa(s) for this acid. diprotic moto 32 botol
4. A weak acid was titrated with 0.1M NaOH, and the titration curve is shown, 14...
4. A weak acid was titrated with 0.1M NaOH, and the titration curve is shown, 14 12 10 pH of solution 0.600... 4 2 0 2 6 10 12 14 16 18 mL of Base added a. Is this a monoprotic or diprotic acid? b. Estimate the values of the pka(s) for this acid.
Grade Problem 5. (10pts) A weak diprotic base B, has pKo=3 and pkp2=6 Which is /...
Grade Problem 5. (10pts) A weak diprotic base B, has pKo=3 and pkp2=6 Which is / are the most abundant species (B, BH', or BH,2") at pH=11? Final Answer
Problem 2. (15pts) Calculate the concentration of H,O* in 0.1 M solution of a weak diprotic...
Problem 2. (15pts) Calculate the concentration of H,O* in 0.1 M solution of a weak diprotic base B. pKo, 5, pKa2-9 Grade oe Final Answer e prese Problem 3. (15pts) Calculate the concentration of A2 in a 0.1M solution ofa diprotic acid H A with pK, 4 and pK8 Grade Final Answer
Acid/Base titrations 10. 25.0 mL of 0.100 M H2A (a weak diprotic acid) is titrated with...
Acid/Base titrations 10. 25.0 mL of 0.100 M H2A (a weak diprotic acid) is titrated with 0.200 M NaOH. What is the pH of the solution when 0.00 mL, 10.0 mL, 12.5 mL, 20.0 mL, 25.0 mL, and 40.0 mL E.S RaWeMA 5.83 x 10 8) have been added? (Ka1= 2.46 x 10, Ka2 ANSWER: 0 mL = 2.315, 10.0 mL= 4.211 (or 4.213), 12.5 mL = 5.422, 20.0 mL 7.410, 25.0 mL = 9.966, 40.0 mL = 12.664 11....
1. Answer the following about the titration plot shown below, involving a monoprotic acid and base. 20 mL of 0.1M titran...
1.
Answer the following about the titration plot shown below, involving a monoprotic acid and base. 20 mL of 0.1M titrand titrated with 0.1M titrant. Data points at 1 mL increments. 14.0 ܠܬܬܬܬܬܬܬܬܬܬܩ 0.0 10.0 20.0 30.0 40.0 50.0 Volume of titrant (mL) (a) Is the species being titrated an acid or a base? --- (b) Is the species being titrated strong or weak? (c) What is the value of K, (if a weak acid) or Kb (if a weak...
Part A.) Consider that you are titrating a diprotic weak base "B" which has pKb1=4 and...
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...
A 100 mL volume of a 0.100 M weak base (pKb = 5.00) was titrated with...
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.
TUJILLU_LUTJ u uwy pu ETUVIN Grade Problem 4. (15pts) A 100 mL of 0.1M weak monoprotic acid HA, pk =4, was titrated with 0.1M NaOH. Calculate pH at Vuc-75 mL. MOH Final Answer
1. (7 pts) 35.0 mL of a 0.275 M weak base is titrated with 0.325 M HCl. Determine each of the following and sketch the titration curve. If you do the problem on other paper, you will need to do a reasonable approximation of the graph. Ky of the weak base = 2.7 x 10-4 a. The volume of added acid required to reach the equivalence point. b. The initial pH. c. The pH when 5.0 mL of acid has...
4. A weak acid was titrated with 0.1M NaOH, and the titration curve is shown, 14 12 10 8 pH of solution G ... 4 4 6 8 10 14 02 mL of Base added a. Is this a monoprotic or diprotic acid? - has two scemps b. Estimate the values of the pKa(s) for this acid. diprotic moto 32 botol
4. A weak acid was titrated with 0.1M NaOH, and the titration curve is shown, 14 12 10 pH of solution 0.600... 4 2 0 2 6 10 12 14 16 18 mL of Base added a. Is this a monoprotic or diprotic acid? b. Estimate the values of the pka(s) for this acid.
Grade Problem 5. (10pts) A weak diprotic base B, has pKo=3 and pkp2=6 Which is / are the most abundant species (B, BH', or BH,2") at pH=11? Final Answer
Problem 2. (15pts) Calculate the concentration of H,O* in 0.1 M solution of a weak diprotic base B. pKo, 5, pKa2-9 Grade oe Final Answer e prese Problem 3. (15pts) Calculate the concentration of A2 in a 0.1M solution ofa diprotic acid H A with pK, 4 and pK8 Grade Final Answer
Acid/Base titrations 10. 25.0 mL of 0.100 M H2A (a weak diprotic acid) is titrated with 0.200 M NaOH. What is the pH of the solution when 0.00 mL, 10.0 mL, 12.5 mL, 20.0 mL, 25.0 mL, and 40.0 mL E.S RaWeMA 5.83 x 10 8) have been added? (Ka1= 2.46 x 10, Ka2 ANSWER: 0 mL = 2.315, 10.0 mL= 4.211 (or 4.213), 12.5 mL = 5.422, 20.0 mL 7.410, 25.0 mL = 9.966, 40.0 mL = 12.664 11....
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Answer the following about the titration plot shown below, involving a monoprotic acid and base. 20 mL of 0.1M titrand titrated with 0.1M titrant. Data points at 1 mL increments. 14.0 ܠܬܬܬܬܬܬܬܬܬܬܩ 0.0 10.0 20.0 30.0 40.0 50.0 Volume of titrant (mL) (a) Is the species being titrated an acid or a base? --- (b) Is the species being titrated strong or weak? (c) What is the value of K, (if a weak acid) or Kb (if a weak...
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