Vitamin c or l ascorbic acid c 6 h 8 o 6 is an

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Chemistry & Chemical Reactivity
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Chapter 4 / Exercise 76
Chemistry & Chemical Reactivity
Kotz/Treichel
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Chapter 4 / Exercise 76
Chemistry & Chemical Reactivity
Kotz/Treichel
Expert Verified
3.Lab Procedure(1)The solution of Na2S2O3 is already prepared for each group, it was made according to thefollowing procedure:Boil ~500 mL of de-ionized water for ten minutes, add 0.05 g Na2CO3and then add ~ 9.0 gNa2S2O3∙5H2O (molar mass: 248.184 g/mol). Na2CO3is added to increase the pH to inhibitthe disproportion of S2O32-. Dissolve the solid and transfer the solution into a 500 mL amber

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