Given the following information: Mass of ascobic acid present in one tablet= 500

Question

Given the following information: Mass of ascobic acid present in one tablet= 500mg preparation of vitamin solution: Vitamin Tablet= 1.5; weigh boat+ Vitamin tabet clushed= 5.2; weigh boat after transfer of crushed tablet= 3.8; Calculated mass of crashed tablet =1.4 preparation of patassium iodate solution: weigh boat + KIO3(s)=1.01; weigh boat after transfer of KIO3(s)=3.9; Calculated mass of KIO3(s)= 2.9 Titration volumes of KIO3: Volume of KIO3 used= tria1=20.88 trial 2= 20.25 a)Calculate the concentration of the potassium iodate solution in mol/L b) use the two titrations to calculate the average moles of iodate ions added to ascobic acid solution c) calculate the average moles of ascobic acid in the pipetted sample used for titration d)Calculate the average moles of ascobic acid in the crushed tablet. PLEASE SHOW YOUR WORKING

Explanation / Answer

Mass of ascobic acid present in one tablet= 500mg preparation of vitamin solution: Vitamin Tablet= 1.5; weigh boat+ Vitamin tabet clushed= 5.2; weigh boat after transfer of crushed tablet= 3.8; Calculated mass of crashed tablet =1.4 preparation of patassium iodate solution: weigh boat + KIO3(s)=1.01; weigh boat after transfer of KIO3(s)=3.9; Calculated mass of KIO3(s)= 2.9 Titration volumes of KIO3: Volume of KIO3 used= tria1=20.88 trial 2= 20.25

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