document.write( "Question 754522: Total quantity of a mixture of copper and zinc = 2.554g
\n" ); document.write( "Quantity of zinc = 2.490g
\n" ); document.write( "Find out % of copper in the mixture
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Algebra.Com's Answer #459139 by stanbon(75887)\"\" \"About 
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Total quantity of a mixture of copper and zinc = 2.554g
\n" ); document.write( "Quantity of zinc = 2.490g
\n" ); document.write( "Find out % of copper in the mixture
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\n" ); document.write( "Quantity of copper: 2.554-2.490 = 0.0640
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\n" ); document.write( "Percent of copper: 0.0640/2.554 = 0.0251 = 2.51%
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\n" ); document.write( "cheers,
\n" ); document.write( "Stan H.
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