Problem: A piece of aluminum foil 1.00 cm square and 0.560 mm thick is allowed to react with bromine to form aluminum bromide.How many moles of aluminum were used? (The density of aluminum is 2.699 g/cm3.)

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We are being asked to calculate the number of moles of aluminum used.


We are given the following measurements

area aluminum foil = 1.00 cm2

thickness aluminum foil = 0.560 mm

density aluminum = 2.699 g/cm3

mol aluminum = ?


To calculate the number of moles, we will use dimensional analysis.

Recall: We use dimensional analysis as a fail proof process to convert from one unit to another.


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Problem Details

A piece of aluminum foil 1.00 cm square and 0.560 mm thick is allowed to react with bromine to form aluminum bromide.

How many moles of aluminum were used? (The density of aluminum is 2.699 g/cm3.)