what is the percent by volume of a solution formed by mixing 25ml of isoppropanol with 45ml water
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what is the percent by volume of a solution formed by mixing 25ml of isoppropanol with 45ml water
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The answer depends on a big IF : IF the volumes are additive. Very often volumes of liquids are not additive
Total volume = 70 mL
isopropyl alcohol %(v/v) = 25mL/ 70 mL * 100 % = 35.7% v/v
The answer should have only 2 significant digits: 36%v/v
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