Please calculate the Mass of Vitamin C in the unknown sample based off the data

Question

Please calculate the Mass of Vitamin C in the unknown sample based off the data below

Mass of Unknown sample        0.075g               0.075g

initial burette reading                0 mL                  0 mL

final burette reading                 4.8 mL               5 mL

volume of ioding added            4.8 mL              5 mL

moles of vit C in unknown        0.0241               0.0241

Molarity of unknown                 .1518               .1206

Mass of Vit C in uknown!         ?????                ??????

NOTE: The molarity of iodine is 0.596 mol / L for the first column and 0.996 mol/L for the second column. (these numbers may not be perfect but please solve it anyways)

Please show work and solve correctly.

Explanation / Answer

should have been

IO3- + 8I- + 6H+

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