A 0.1530 g of pure KIO3 was dissolved in 50 mL distilled water. This was then added with KI and 6N H₂SO4. After allowing the said solution to stand in the dark for 3 minutes, this was then titrated to end point with 31.35 mL sodium thiosulfate solution, with starch as the indicator. What is the normality of the sodium thiosulfate solution? Atomic weights: K = 39.1 I = 126.9 O= 16.0
A 0.1530 g of pure KIO3 was dissolved in 50 mL distilled water. This was then added with KI and 6N H₂SO4. After allowing the said solution to stand in the dark for 3 minutes, this was then titrated to end point with 31.35 mL sodium thiosulfate solution, with starch as the indicator. What is the normality of the sodium thiosulfate solution? Atomic weights: K = 39.1 I = 126.9 O= 16.0
Introductory Chemistry: An Active Learning Approach
6th Edition
ISBN:9781305079250
Author:Mark S. Cracolice, Ed Peters
Publisher:Mark S. Cracolice, Ed Peters
Chapter18: Chemical Equilibrium
Section: Chapter Questions
Problem 3E
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![A 0.1530 g of pure KIO3 was dissolved in 50 mL distilled water. This was then added with KI and 6N H₂SO4. After
allowing the said solution to stand in the dark for 3 minutes, this was then titrated to end point with 31.35 mL
sodium thiosulfate solution, with starch as the indicator. What is the normality of the sodium thiosulfate solution?
Atomic weights: K = 39.1 1= 126.9 O= 16.0](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffddbd209-1244-43bd-b608-1e4278f8df07%2F9e80d1f8-ff2b-478a-ab75-9fa1d311d3b8%2Fyrfe2jo_processed.png&w=3840&q=75)
Transcribed Image Text:A 0.1530 g of pure KIO3 was dissolved in 50 mL distilled water. This was then added with KI and 6N H₂SO4. After
allowing the said solution to stand in the dark for 3 minutes, this was then titrated to end point with 31.35 mL
sodium thiosulfate solution, with starch as the indicator. What is the normality of the sodium thiosulfate solution?
Atomic weights: K = 39.1 1= 126.9 O= 16.0
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