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Tania has acid solution in two concentrations: 50% and 100%. She wants to produce 300 mL of 80% acid solution by volume. How many milliliters of each concentration should she use?

 Jul 4, 2021
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Ingredients in = ingredients out

 

.50 x  +   1.0 (300-x)   =   .8 ( 300)   solve for 'x'    the ml of 50%     then 100% is  300 - x

 Jul 4, 2021

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