SOLUTION: the direction of a 100% solution of disinfection concentrate direct you to dilute to a 30% solution before using. if you want to make 500ml of the 30% solution how much disinfectan

Question 939652: the direction of a 100% solution of disinfection concentrate direct you to dilute to a 30% solution before using. if you want to make 500ml of the 30% solution how much disinfectant concentrate must be used?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
the direction of a 100% solution of disinfection concentrate direct you to dilute to a 30% solution before using. if you want to make 500ml of the 30% solution how much disinfectant concentrate must be used?
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disin + disin = disin
1*x + 0*(500-x) = 0.30*500
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100x + 0 = 30*500
x = 5*30 = 150 ml (amt of concentrate to use)
500-x = 350 ml (amt of dilution to use)
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cheers,
Stan H.
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