If a 700 g piece of alloy contains 56 g of tin, what is the percentage of tin in the alloy?

To find the mass fraction of tin in an alloy, you need to divide the weight of tin in grams by the total weight of the alloy in grams

56: 700 = 8: 100 = 0.08

Now you can find how many percent of tin is contained in the alloy

0.08 * 100% = 8%

Answer: The percentage of tin in the alloy is 8%



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