Aqueous potassium iodate (KIO3) and potassium iodide (KI) react in the presence of dilute hydrochloric acid (HCl) , as shown below.
KIO3(aq) + 5KI(aq) + 6HCl(aq) 3I2(aq) + 6KCl(aq) + 3H2O(l)
What mass of iodine (I2) is formed when 15.0 mL of 0.0050 M KIO3 solution reacts with 30.0 mL of 0.010 M KI solution in the presence of excess HCl?
A) 0.023 g I2
B) 0.029 g I2
C) 0.057 g I2
D) 0.046 g I2
E) 0.076 g I2
Correct Answer:
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