One Source of Iodine Is Sodium Iodate

question 163

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 SO₄^2- (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

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