N naley0102 New member Joined Nov 1, 2006 Messages 1 Nov 1, 2006 #1 How do i solve the problem: How much Water must be evaporated from a 300L tank of a 2% salt solution to obtain a 5% solution?
How do i solve the problem: How much Water must be evaporated from a 300L tank of a 2% salt solution to obtain a 5% solution?
G galactus Super Moderator Staff member Joined Sep 28, 2005 Messages 7,203 Nov 1, 2006 #2 Think about how much water there is. If there is 2% salt, then there is 98% water. See?. Let x=the amount of water evaporated. \(\displaystyle \L\\0.98(300)-x=0.95(300-x)\)
Think about how much water there is. If there is 2% salt, then there is 98% water. See?. Let x=the amount of water evaporated. \(\displaystyle \L\\0.98(300)-x=0.95(300-x)\)
