document.write( "Question 25877: Please help me solve this problem: How much pure antifreeze must must be added to 12L of 40% solution of antifreeze to obtain a 60% solution?\r
\n" );
document.write( "\n" );
document.write( "Thank you. \n" );
document.write( "
Algebra.Com's Answer #13928 by venugopalramana(3286)![]() ![]() You can put this solution on YOUR website! SEE THE FOLLOWING EXAMPLE AND TRY.IF YOU STILL CANT GET COME BACK FOR US TO ANSWER. \n" ); document.write( "------------------------------------------------------------------------- \n" ); document.write( "How much water must be evaporated from a 300L tank of a 2% salt solution to obtain a 5% solution? \n" ); document.write( "300 LITRES OF 2% SOLUTION WILL HAVE 300*2/100=6 SALT AND 300-6 = 294 WATER. \n" ); document.write( "LET X LITRES BE EVAPORATED.HENCE WE HAVE 294-X WATER.AND 6 SALT =TOTAL 300 - X LITRES. \n" ); document.write( "HENCE SALT % IN THIS IS \n" ); document.write( "=6*100/(294-X)= 5 % AS GIVEN \n" ); document.write( "600/(294-X)=5 \n" ); document.write( "294-X=600/5=120 \n" ); document.write( "X=294-120 = 174 \n" ); document.write( "HENCE 174 LITRES ARE TO BE EVAPORATED TO GET 5% SOLUTION.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |