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OpenStudy (anonymous):
How many kilograms (kg) of pure salt must be added to 8 kg of a 30% solution to obtain a 35% solution? Round to the nearest tenth A. 0.4 B. 0.6 C. 0.8 D. 1.0
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OpenStudy (anonymous):
How much pure salt is in the 30% solution? You're starting with that, and then when you have your total mass of salt, dividing it by the total mass of solution must equal 35%
OpenStudy (anonymous):
The equation will look something like [(0.30)(8kg) + x kg ] ÷ (8 + x kg) = 0.35
OpenStudy (anonymous):
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