An alloy contains 56g of pure silver and 22g of pure copper what is the percentage(%) of silver in the alloy?

The percentage of silver in the alloy is 71.8 %.

Explanation:

To calculate the percentage composition of a substance in a mixture, we use the equation:

We are given:

Mass of pure silver = 56 g

Mass of pure copper = 22 g

Mass of alloy = 56 + 22 = 78 g

Putting values in above equation:

Hence, the percentage of silver in the alloy is 71.8 %.

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