document.write( "Question 253041: How many liters of water must be added to 10L of 50% acid solution to produce 80% acid solution? \n" ); document.write( "

Algebra.Com's Answer #185223 by richwmiller(17219) $\"\"$ $\"About$

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.5*10+0*x=.8*(x+10)
\n" ); document.write( "5=.8x+8
\n" ); document.write( "-3=.8x
\n" ); document.write( "multiply by ten to get rid of the decimal
\n" ); document.write( "-30=8x
\n" ); document.write( "-30/8=x
\n" ); document.write( "-3 6/8=x
\n" ); document.write( "-3.75 =x
\n" ); document.write( "3.75 liters of water need to be removed
\n" ); document.write( "This comes out with a negative amount so we must take away water.
\n" ); document.write( "You can't make a solution stronger (from 50% to 80%) by adding water.
\n" ); document.write( "But we can't take away just water , can we, from a solution so this problem can't be solved.
\n" ); document.write( "Maybe it can be done by distilling.\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

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