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Topic: How many moles  (Read 6004 times)

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Offline tees

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How many moles
« on: February 03, 2009, 07:09:24 PM »
of C3H6O is there in 25,0 mL of C3H6O
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Offline ARGOS++

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Re: How many moles
« Reply #1 on: February 03, 2009, 07:20:08 PM »

Dear tees;

Without additional information you have at least three possible results!
Is there a structure formula or something else?

Good Luck!
                    ARGOS++

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Offline tees

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Re: How many moles
« Reply #2 on: February 03, 2009, 08:37:03 PM »
how could i have three possible results.. how much moles is there is 25 mL of that substance?

ps: i kinda need the answer cause its due for tomorrow and i have no idea how to do it :S

so plz can you detail ?

thanks
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Offline ARGOS++

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Re: How many moles
« Reply #3 on: February 03, 2009, 08:44:29 PM »
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Offline tees

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Re: How many moles
« Reply #4 on: February 03, 2009, 11:34:14 PM »
acetone plz
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Offline ARGOS++

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Re: How many moles
« Reply #5 on: February 04, 2009, 05:29:18 AM »

Dear tees;

So search Wiki for the density of Acetone, convert the volume into mass, and finally translate the mass into moles with the help of molecular weight of Acetone.

Good Luck!
                    ARGOS++

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Offline tees

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Re: How many moles
« Reply #6 on: February 04, 2009, 11:32:21 AM »
<3 argos
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Offline ARGOS++

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Re: How many moles
« Reply #7 on: February 04, 2009, 12:20:54 PM »

Dear tees;

If I interpret your reaction correctly then I have to tell you that the forum does NOT make your or others home work, see   "Forum Rules" (4.)
The Forum only helps by directing you to the correct way to the solution.

So you will have to search Wiki (Wikipedia) for the density and think about how you have to convert the given volume into a mass.
Additionally I hope you know what the Molecular Weight of Acetone is, and what its meaning is, otherwise you may also ask Wiki about.

Good Luck!
                    ARGOS++

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Offline tees

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Re: How many moles
« Reply #8 on: February 04, 2009, 06:36:32 PM »
yea i know thats why i wrote that lol.. i didnt know where to start and u mentionned the density.. it lighten me up heheh thanks!
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Offline ARGOS++

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Re: How many moles
« Reply #9 on: February 05, 2009, 11:43:45 AM »
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