Magnesium reacts with iodine gas at high temperatures to form magnesium iodide. What mass of MgI2 can be produced from the reaction of unlimited Mg and 13.4 g I2?
Mg (s) + I2 (l) →MgI2 (s)
Mg (s) + I2 (l) ----> MgI2 (s)
moles of I2 = maas/molar mass
molar mass of I2 = 253.8 g/mol
moles of I2 = 13.4/253.8
= 0.0528 moles
from balanced equation:
1 mole of I2 gives ----> 1 mole of MgI2
So, moles of MgI2 formed = moles of I2 in the reaction.
moles of MgI2 formed = 0.0528 moles
mass of MgI2 = moles*molarmass ( molarmass of MgI2 = 278.1 g/mol)
= 0.0528*278.1
= 14.68 g
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