document.write( "Question 168210: In the chemistry lab, a certain acid is stored in two different dilutions. One bottle cotains a weaker solution that is only 25% acid , but another has a stronger solution of 65% acids. Students must pour some from each container to make 60 ml of a solution that is 50% acid. How much from each container should be used \n" ); document.write( "
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In the chemistry lab, a certain acid is stored in two different dilutions. One bottle cotains a weaker solution that is only 25% acid , but another has a stronger solution of 65% acids. Students must pour some from each container to make 60 ml of a solution that is 50% acid. How much from each container should be used
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\n" ); document.write( "acid + acid = acid
\n" ); document.write( "0.25x + 0.65(50-x) = 0.50*50
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\n" ); document.write( "Multiply thru by 100 to get:
\n" ); document.write( "25x + 65*50 -65x = 50*50
\n" ); document.write( "-40x = -15*50
\n" ); document.write( "x = 18.75 ml (amt. of 25% solution in the mixture)
\n" ); document.write( "50-x = 31.25 ml (amt. of 65% solution in the mixture)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H. \n" ); document.write( "
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