Problem: I2 is produced by the reaction of 0.4235 mol of CuCl2 according to the following equation: 2CuCl2 + 4KI ⟶ 2CuI + 4KCl + I 2.(a) How many molecules of  I2 are produced?

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Balanced equation: 2CuCl2 + 4KI ⟶ 2CuI + 4KCl + I2


Mole to mole comparison: 2 mol CuCl2 forms 1 mol I2


Avogadro's number1 mole =  6.022 x 1023 entities (atoms, molecules etc.) 

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I2 is produced by the reaction of 0.4235 mol of CuCl2 according to the following equation: 2CuCl2 + 4KI ⟶ 2CuI + 4KCl + I 2.

(a) How many molecules of  I2 are produced?


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