lodine is prepared both in the laboratory and commercially by adding Ch(9) to an aqueous solution...

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Answer 1

Answer #1

2 NaI (aq) + Cl2 (g) -----------> I2 (s) + 2 NaCl (aq)

299.79 g 253.81 g

?? 47.5 g

299.79 g NaI ---------------> 253.81 g I2

?? NaI --------------> 47.5 g I2

mass of NaI used = 47.5 x 299.79 / 253.81

mass of NaI used = 56.1 g

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