Ascorbic acid, C6H8O6 (vitamin C), is a reducing agent. The amount of this acid in solution can
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C6H8O6(aq) + I2(aq) → C6H6O6(aq) + 2HI(aq)
A 30.0-g sample of an orange-flavored beverage mix was placed in a flask to which 10.00 mL of 0.0500 M KIO3 and excess KI were added. The IO3 and I ions react in acid solution to give I2, which then reacts with ascorbic acid. Excess iodine is titrated with sodium thiosulfate. If 31.2 mL of 0.0300 M Na2S2O3 is required to titrate the excess I2, how many grams of ascorbic acid are there in 100.0 g of beverage mix?
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In acid 6H aq IO 3 aq 5I aq 3I 2 aq 3H 2 Ol Find the amount of I 2 initially present 100...View the full answer
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