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lesya [120]
3 years ago
7

What mass of bromine reacts with 16.2 g of aluminium?

Chemistry
1 answer:
Goshia [24]3 years ago
6 0
For every, 3 Br- ions, 1 Al3+ ion reacts to form AlBr3.

Convert 16.2g of aluminum to moles:

16.2g Al / 27.0g per mol = 0.60 mols.

Based on the above ratio, 0.60 mols of Al will react with 1.8 mols of Br.

Convert 1.8 mols of Br to its mass:

1.8 mols Br × 79.9g per mol = 143.82g of Br.
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