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storchak [24]
3 years ago
11

An alloy contains 57 g of silver and 20g of copper what is the percentage silver in the alloy

Chemistry
1 answer:
Allushta [10]3 years ago
4 0
Total weight of alloy is
67 + 20 = 87 g
67 g of which is gold
So % gold is 67/87* 100 = 77.01%
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