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If 15 drops of ethanol from a medical dropper weight 0.60g, how many drops does it takes from a dropper to dispense 1.0ml of ethanol? the density of ethanol is 0.80g/ml
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How can the periodic table be used to predict the behavior of elements?
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If I have 20 grams of NH3, how many grams of N2 can I make?...
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