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Calculate the mass in grams of iodine (I2) that will react completely with 27.1 g of aluminum (Al) to form aluminum iodide (AlI3).
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Calculate the mass in grams of iodine (I2) that will react completely with 27.1 g of aluminum (Al) to form aluminum iodide (AlI3).

User Mark Walters
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1 Answer

4 votes
the equation of reaction is
I + Al----------> AlI3
1 mol 1mol
n mol n mole
so nI =nAll3

nAll3=mAll3/M= 27.5g/27+3x127=0.067mol

and then nI=0.067mol = mI/MI
from where we can get mI=nIxMI=0.067x 127=8.56g





User Shakiema
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