How many molecules of liquid ethanol are in 1.00mL of ethanol, given its density of 0.789 g/mL

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miriamthomas050 miriamthomas050

10-02-2017
Chemistry

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How many molecules of liquid ethanol are in 1.00mL of ethanol, given its density of 0.789 g/mL

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miner3mj miner3mj · Answer 1 · 2017-02-11T00:14:05+01:00

miner3mj miner3mj

11-02-2017

Ok so you use dimensional analysis here to get that there are .789 g of methanol. You divide by the molar mass to figure out how many moles and then you multiply by avagadro's number to figure out molecules

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