Page 1 of 1
3:05 Submission < (E9_Q) Exp. 9 Pre-Lab Quiz - Due BEFORE the start of your... Feb 17, 2022 at 10:28 PM 6/6 pts Question
Posted: Wed May 25, 2022 6:39 am
by answerhappygod
- 3 05 Submission E9 Q Exp 9 Pre Lab Quiz Due Before The Start Of Your Feb 17 2022 At 10 28 Pm 6 6 Pts Question 1 (143.63 KiB) Viewed 13 times
3:05 Submission < (E9_Q) Exp. 9 Pre-Lab Quiz - Due BEFORE the start of your... Feb 17, 2022 at 10:28 PM 6/6 pts
Question 2 An unknown sample of ascorbic acid was titrated with 25.87 mL of 0.8198 M KIO3 (aq). Calculate the mass (in grams) of ascorbic acid in the unknown sample. Use the correct number of significant figures in your answer. F.W. of ascorbic acid = 176.12 g/mol. 11.21 2/2 pts
Question 3 You are performing an iodometric titration of ascorbic acid using a KIO3 standard solution. Suppose that the amount of ascorbic acid in the sample you are about to titrate is 59 mg. Calculate the mass (g) of KIO3 required to make 250.0 mL of the standard solution such that about 25 mL of it is used to completely react with the ascorbic acid present in the sample to be titrated. Comments Files (0) Rubric 3 To Do Dashboard Calendar Notifications Inbox