Question 1045081
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Hi. If I have 2 gallons of a solution and add 1/2 gallon of water, how much is the solution diluted? Thanks for the help.
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If "c" is your "old" concentration, then your new concentration is 


{{{(2c)/2.5}}} = {{{(2/2.5)*c}}} = 0.8*c.


For example, if the old concentration is 10%, then the new is 8%.
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