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September 23, 2014

September 23, 2014

Posted by **chandler** on Tuesday, December 24, 2013 at 3:03pm.

70 ML of the 50% solution and 35 ML of the 80% solution

35 ML of the 50% solution and 70 ML of the 80% solution

70 ML of the 50% solution and 70 ML of the 80% solution

35 ML of the 50% solution and 35 ML of the 80% solution

- math -
**Steve**, Tuesday, December 24, 2013 at 4:39pm.5x+.8(105-x)=.6*105

x = x=70

so, (a)

Even without doing the calculation, this can be easily solved.

Since 60% is closer to 50% than it is to 80%, more of the lower concentration will be needed.

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