what amount of glucose has been dissolved in a solution of volume 300 ml having concentration equal to 0.5% ?
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180 grams/mole x 1 liter/1000ml = 0.09 g/ml = 9 g/100ml = 9% ... Total final volume = 100µl = 8 µl 0.5 M glucose + 8 µl 0.5 M sucrose + 84 µl H2O
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