document.write( "Question 820160: Kem E Cal. heated 500 milliliters of an 8% saline solution until all but 400 milliliters of the solution has evaporated. What percentage of the remaining solution was salt. \n" ); document.write( "

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heated 500 milliliters of an 8% saline solution until all but 400 milliliters of the solution has evaporated.
\n" ); document.write( " What percentage of the remaining solution was salt.
\n" ); document.write( ":
\n" ); document.write( "Let x = the decimal form of the percent of remaining solution
\n" ); document.write( "400x = .08(500)
\n" ); document.write( "400x = 40
\n" ); document.write( "x = 40/400
\n" ); document.write( "x = .1 which is 10% \n" ); document.write( "

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