Question

How many grams of sodium iodide, NaI, must be used to produce 15.3 g of iodine, I2

Answer 1

Question #47824, Chemistry, Other

How many grams of sodium iodide, NaI, must be used to produce 15.3 g of iodine, I2

Answer:

$$n = m / M$$ $$M (N a I) = 150 \mathrm{g/mol}$$ $$M (I_2) = 254 \mathrm{g/mol}$$ $$n (I_2) = \frac{n (N a I)}{2} = m / M = 15.3 / 254 = 0.06$$ $$n (N a I) = 2 n (I_2) = 0.06 * 2 = 0.12$$ $$m (N a I) = 0.12 * 150 = 18 \mathrm{g}$$

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