Question: Ascorbic acid is a weak monoprotic acid (HA) with a Ka of 8.0 x 10-5 at 25. If 20.0 mL of a 0.855 M ascorbic

Ascorbic acid is a weak monoprotic acid (HA) with a Ka of 8.0 x 10-5 at 25. If 20.0 mL of a 0.855 M ascorbic acid solution is titrated with 0.15 M NaOH solution, what is the pH at the equivalence point?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Chemistry Questions!

Can you please help me with the steps to answers the questions bellow thank you so much DETERMINATION OF THE DISSOCIATION CONSTANT OF WEAK ACIDS The acids used in parts (a) and (b) are not...

I need help with question #4. I have attached the graphs and answers for number 1-3. Data Table 1. #1 #2 #3 Mass of KHP (6) 0.440 0.401 0.4/2 Initial buret reading (ml) 5.00 Final buret reading (ml)...

All of it please Student name: Q1:Chose the correct answer from the following 1 - How many grams of sodium acetate will adue to sumcient amount of solution of acetic acid to makin 100 ml of buffer...

To answer this question, refer to the titration curve shown above and the points labelled A-G . Which of the following statements correctly describe the content of the solution being titrated at the...

Ant venom contains formic acid (HCOOH; formica is the Latin word for ant). Suppose you are at a pharmaceutical company working on a quick antidote and need to estimate the pH at the stoichiometric...

Suppose that 0.483 g of an unknown weak acid, HA, is dissolved in water. Titration of the solution with 0.250 m NaOH(aq) required 42.0 mL to reach the stoichiometric point. After the addition of 21.0...

Ascorbic acid is a diprotic weak acid with pKa1 = 4.17 and pKa2 = 11.56. A 200 ml solution of ascorbic acid is titrated to a pH of 12.1 by addition of 8 ml of 5 M NaOH. A. What was the concentration...

Hello, I need help with this lab. Specifically with questions #4,#5,#7 in the post lab questions. I'm not sure how to calculate the answer. Thank you. Vitamin C in Fruit Juices and Capsules Goals:...

Using the steps of quantitative analysis to explain from the following below: Preparation of the reagents: 5% Metaphosphoric acid -10% acetic acid solution: 50g of solid metaphosphoric acid (E.Merck)...

Procedures Experiment 1: Standardize the Iodine Solution Part 1: Prepare the Materials Take a 100 mL volumetric flask from the Containers shelf and place it on the workbench. Take ascorbic acid from...

Consider a loan with a principal of 3,000 euros at a 7.5% annual compound interest rate to be repaid with equal monthly payments over the next 2 years. Which is the total amount that has been...

Compare and contrast the IR spectrum of your benzilproduct to that of pure benzoin in the lab manual. (Benzoin spectrais the top graph, while Benzil is the graph below it.) 100 Transmittance 06 %...

a . Which of the three methods would provide a balance sheet measure that reflects the present value of the future cash flows discounted at the interest rate that is commensurate with the risk...

Search for a word in a larger block of text. 2 . 1 Use the SEARCH function to search these open - ended survey questions to see if anyone hates the roduct. Write your formula in and then copy to F 4...

5-45. The demo unit program and the loaner unit program are funded from different budgets, with the former the responsibility of the vice-president in charge of sales and the latter the...

5-47. A laser printer and an inkjet printer were delivered to John and Megan, respectively

5-36. There are several examples here to show that Elaine cant hold a position very long.