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One Source of Iodine Is Sodium Iodate

Question 94

Multiple Choice

One source of iodine is sodium iodate.Iodine is produced by a series of reactions.The first reaction is a reduction reaction with sodium hydrogen sulfite.
IO3- (aq) + 3 HSO3- (aq) → I- (aq) + 3 SO42- (aq) + 3 H+ (aq)
5 I- (aq) + IO3- (aq) + 6 H+ (aq) → 3 I2(s) + 3 H2O
How many grams of iodine are produced from 1.00 × 102 grams of NaHSO3?


A) 81.3 g
B) 243 g
C) 62.6 g
D) 48.8 g
E) 205 g

Correct Answer:

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