SOLUTION: How much water must be evaporated from a 250 mL tank of a 3% salt solution to obtain a 5% solution?
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Question 657812: How much water must be evaporated from a 250 mL tank of a 3% salt solution to obtain a 5% solution?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
How much water must be evaporated from a 250 mL tank of a 3% salt solution to obtain a 5% solution?
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Equation:
water - water = water
0.97*250 - 1.00x = 0.95(250-x)
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97*250 - 100x = 95*250 - 95x
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2*250 = 5x
x = 2*50
x = 100 ML (amt. of water to evaporate)
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Cheers,
Stan H.
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