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OpenStudy (anonymous):
How many kg of pure salt must be added to 8 kg of a 30% solution to obtain a 35% soltution? Round to the nearest tenth. A. 0.4 B. 0.6 C. 0.8 D. 1.0
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OpenStudy (mertsj):
let x = kg of pure salt 1.00x +.30(8)=.35(x+8)
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