Magnesium reacts with iodine gas at high temperatures to form magnesium iodide. What mass of MgI2...

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Magnesium reacts with iodine gas at high temperatures to form magnesium iodide. What mass of MgI2...

Magnesium reacts with iodine gas at high temperatures to form magnesium iodide. What mass of MgI2 can be produced from the reaction of 5.15g Mg and 50.0g I2?

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Answer 1

Answer #1

Mg + I2 -------------> MgI2

24.3 g Mg reacts with 253.8 g I2

5.15 g Mg reacts with 5.15 x 253.8 / 24.3 = 53.79 g I2

but we have only 50 g I2

so I2 is limiting reagent. now

253.8 g I2 gives 278.1 g MgI2

50 g I2 gives 50 x 278.1 / 253.8 = 54.79 g MgI2

mass of MgI2 formed = 54.79 g

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Answer 2

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