document.write( "Question 1204727: If you mix 55.6ml of dextrose 50% with 944.4ml of dextrose 5% it would result in 1000 ml of dextrose. Need help finding the percentage n please show work
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document.write( "A. 7.5%
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document.write( "B. 95%
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document.write( "C. 75%
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document.write( "D. 9.5% \n" );
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Algebra.Com's Answer #841172 by math_tutor2020(3817)![]() ![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "Batch A: 55.6 mL of 50% dextrose \n" ); document.write( "Batch B: 944.4 mL of 5% dextrose\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "From batch A, there's 55.6*0.50 = 27.8 mL of pure dextrose. \n" ); document.write( "From batch B, there's 944.4*0.05 = 47.22 mL of pure dextrose.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "In total there's 27.8 + 47.22 = 75.02 mL of pure dextrose out of 1000 mL of total solution.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Divide the two amounts to find the concentration \n" ); document.write( "75.02/1000 = 0.07502 = 7.502%\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "It appears that your teacher then rounded that to one decimal place to end up with 7.5%\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Answer: Choice A \n" ); document.write( " \n" ); document.write( " |