# What amount of a 65% acid solution must be mixed with a 25% solution to produce 600 mL of a 40% solution?......?

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- MichaelLv 71 month agoFavourite answer
.65x + .25(600 - x) = .4(600)

.65x + 150 - .25x = 240

.4x = 90

x = 225

Mix 225 ml of 65% <––––––

with 375 ml of 25%

to get 600 ml of 40%

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