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PRE-LABORATORY QUESTIONS TITRATION OF A DIPROTIC ACID Name Laboratory Instructor Day and time lab meets 1....
4 please 3. When titrating 25.0 mL of 0.10 M H;SO4 with 0.10 M NaOH, how...
4 please
3. When titrating 25.0 mL of 0.10 M H;SO4 with 0.10 M NaOH, how many mL of NAOH will you have added to reach the first equivalence point? How many mL of NaOH will you have added to reach the second equivalence point? Show calculations. (4 pts) 4. A student completes a titration of an unknown diprotic acid. In their experiment, 0.79 g of the acid was dissolved in 250.0 mL of DI water. It required 13.48 mL...
Titration of 25.00 mL of an unknown diprotic acid solution required 15.09 mL of 0.10 M...
Titration of 25.00 mL of an unknown diprotic acid solution required 15.09 mL of 0.10 M NaOH to reach the first equivalence point and 29.82 mL of 0.10 M NaOH to reach the second equivalence point. What is the concentration of the diprotic acid solution?
6. Oxalic acid H2C2O4 is a diprotic acid and can be used, in dilute form, as...
6. Oxalic acid H2C2O4 is a diprotic acid and can be used, in
dilute form, as wood bleach. pKa1 = 1.237 and pKa2=4.187
A. How many milliliters of 0.0500 M NaOH would be required to
completely neutralize 10.0 mL of 0.100 M H2C2O4? (5 pts)
B. Estimate the pH at the first equivalence point of the
titration. (6 pts)
C. What is the pH at the second equivalence point of the
titration. (8 pts)
Please help with work shown, especially...
Name Desk Date, Laboratory Instructor Titration Curves of 26 Pre-lab Polyprotic Acids Questions t...
Name Desk Date, Laboratory Instructor Titration Curves of 26 Pre-lab Polyprotic Acids Questions tory, you should be able to answer the Before beginning this experiment in the labora following questions. 1. What is a polyprotic acid? If 10.7 mL of 0.105 M NaOH is required to reach the first equivalence point of a solution of citric acid (H,CH,O,), how many milliliters of NaOH are required to completely neutralize this solution? 2. 3. How many millimoles of NaOH will react completely...
Titration of a diprotic acid with a strong base You have a 10.0 mL solution containing...
Titration of a diprotic acid with a strong base You have a 10.0 mL solution containing 0.5 M carbonic acid. Carbonic acid is diprotic, with pKa1 = 6.35 and pKa2 = 10.33. You titrate this solution using 1.00 M NaOH . (a) Calculate the pH of the solution before adding any NaOH. (b) Calculate the amount of NaOH needed to reach the first midpoint. What is the pH? (c) Calculate the amount of NaOH needed to reach the first equivalence...
Titration Curves of Polyprotic Acids Pre-lab Questions Before beginning this experiment in the laboratory, you should...
Titration Curves of Polyprotic Acids Pre-lab Questions Before beginning this experiment in the laboratory, you should be able to answer the following questions. 1. What is a polyprotic acid? 2. If 10.70 mL of 0.105 M NaOH is required to reach the first equivalence point of a solution of citric acid (H,C H307), how many milliliters of NaOH are required to completely neutralize this solution? 3. How many millimoles of NaOH will react completely with 50 mL of 1.5 MH,C20,?...
6. a) If the titration of 2.729 g of an unknown triprotic acid requires 48.15 mL...
6. a) If the titration of 2.729 g of an unknown triprotic acid requires 48.15 mL of 0.4012 M NaOH to reach the third equivalence point, what is the molar mass of this unknown acid? Show your work with units and correct significant figures. 7. If the second equivalence point in the titration of a diprotic acid is at 39.48 mL of strong base titrant added, at what volume is the? First half-equivalence point? Second half-equivalence point? 39.48 ml Second...
6. Titration of a 50.00 mL solution of an unknown diprotic acid required 35.95 mL of...
6. Titration of a 50.00 mL solution of an unknown diprotic acid required 35.95 mL of 0.1367 M sodium hydroxide to reach the second equivalence point. What was the initial concentration of the unknown acid . A 0.8752 g sample of unknown containing potassium hydrogen phthalate (KHP) required 28.23 mL of a 0.1037 M NaOH for neutralizatjon. What is the mass percentage of KHP in the sample?
How to calculate the moles of diprotic acid H2X to reach the first and second equivalence...
How to calculate the moles of diprotic acid H2X to reach the first and second equivalence points? Then used the moles of the diprotic acid to calculate the moles in the origional 100.0 Ml of solution. remmeber that you titrated 25.0 mL of the solution. information given: 4.9 mL of NaOH required to reach first equivalence point 9.9 mL of NaOH reuired to reach second equivalence pont 5.0421*10-4 moles of NaOH required to reach first equivalence point 1.01871*10-3 moles of...
7. If the second equivalence point in the titration of a diprotic acid is at 39.48...
7. If the second equivalence point in the titration of a diprotic acid is at 39.48 mL of strong base titrant added, at what volume is the? robudno b First half-equivalence point? Second half-equivalence point? iniog solving First equivalence point? Second equivalence point? 39.48 mL
4 please
3. When titrating 25.0 mL of 0.10 M H;SO4 with 0.10 M NaOH, how many mL of NAOH will you have added to reach the first equivalence point? How many mL of NaOH will you have added to reach the second equivalence point? Show calculations. (4 pts) 4. A student completes a titration of an unknown diprotic acid. In their experiment, 0.79 g of the acid was dissolved in 250.0 mL of DI water. It required 13.48 mL...
6. Oxalic acid H2C2O4 is a diprotic acid and can be used, in
dilute form, as wood bleach. pKa1 = 1.237 and pKa2=4.187
A. How many milliliters of 0.0500 M NaOH would be required to
completely neutralize 10.0 mL of 0.100 M H2C2O4? (5 pts)
B. Estimate the pH at the first equivalence point of the
titration. (6 pts)
C. What is the pH at the second equivalence point of the
titration. (8 pts)
Please help with work shown, especially...
Name Desk Date, Laboratory Instructor Titration Curves of 26 Pre-lab Polyprotic Acids Questions tory, you should be able to answer the Before beginning this experiment in the labora following questions. 1. What is a polyprotic acid? If 10.7 mL of 0.105 M NaOH is required to reach the first equivalence point of a solution of citric acid (H,CH,O,), how many milliliters of NaOH are required to completely neutralize this solution? 2. 3. How many millimoles of NaOH will react completely...
Titration Curves of Polyprotic Acids Pre-lab Questions Before beginning this experiment in the laboratory, you should be able to answer the following questions. 1. What is a polyprotic acid? 2. If 10.70 mL of 0.105 M NaOH is required to reach the first equivalence point of a solution of citric acid (H,C H307), how many milliliters of NaOH are required to completely neutralize this solution? 3. How many millimoles of NaOH will react completely with 50 mL of 1.5 MH,C20,?...
6. a) If the titration of 2.729 g of an unknown triprotic acid requires 48.15 mL of 0.4012 M NaOH to reach the third equivalence point, what is the molar mass of this unknown acid? Show your work with units and correct significant figures. 7. If the second equivalence point in the titration of a diprotic acid is at 39.48 mL of strong base titrant added, at what volume is the? First half-equivalence point? Second half-equivalence point? 39.48 ml Second...
6. Titration of a 50.00 mL solution of an unknown diprotic acid required 35.95 mL of 0.1367 M sodium hydroxide to reach the second equivalence point. What was the initial concentration of the unknown acid . A 0.8752 g sample of unknown containing potassium hydrogen phthalate (KHP) required 28.23 mL of a 0.1037 M NaOH for neutralizatjon. What is the mass percentage of KHP in the sample?
7. If the second equivalence point in the titration of a diprotic acid is at 39.48 mL of strong base titrant added, at what volume is the? robudno b First half-equivalence point? Second half-equivalence point? iniog solving First equivalence point? Second equivalence point? 39.48 mL
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