document.write( "Question 815449: How many grams of powder do you need to add to 15mLs of sterile water to make a 50% solution? \n" ); document.write( "
Algebra.Com's Answer #490974 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
I will answer this as weight per weight, and NOT as weight per volume. \r
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\n" ); document.write( "\n" ); document.write( "15 ml of water can be taken as 15 grams of water, assuming density near enough to 1.00 gram per milliliter.\r
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\n" ); document.write( "\n" ); document.write( "Let m = mass as grams of powder to add to get 50% solution,
\n" ); document.write( "\"m%2F%28m%2B15%29=0.50\"
\n" ); document.write( "\"m=0.5%28m%2B15%29\"
\n" ); document.write( "\"m=0.5m%2B15%2F2\"
\n" ); document.write( "\"m-0.5m=7.5\"
\n" ); document.write( "\"0.5m=7.5\"
\n" ); document.write( "\"highlight%28m=15%29\"
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