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  LiveWire / College Forums / Classes & Exams / Viewing Topic

chem helpp please!
Replies: 6 — Last Post Oct. 12 7:35pm by Yahtzee
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( aperfectlygoodheart )


Dairy Product Addict 		Reply
k so question one is:

what is the molality of a solution obtained by dissolving 3.0g of sodium chloride in 500 g of water

molality = moles/kg so i got the answer .1026kg but the teacher only has these five options

a).905
b)1.10
c)2.06
d)3.64
e) 1.56

helppp?!

Post edited at 7:32 pm on Oct. 12, 2009 by aperfectlygoodheart

7:31 pm on Oct. 12, 2009 | Joined: Aug. 2009 | Days Active: 75
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utheh


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f) check your math?

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7:33 pm on Oct. 12, 2009 | Joined: Aug. 2008 | Days Active: 236
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( aperfectlygoodheart )


Dairy Product Addict 		Reply
Quote: from utheh at 7:33 pm on Oct. 12, 2009
f) check your math?

i did :(

7:34 pm on Oct. 12, 2009 | Joined: Aug. 2009 | Days Active: 75
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sub800


Guru 		Reply
i took that last year and now i have no knowledge about any of that.

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7:34 pm on Oct. 12, 2009 | Joined: Sep. 2008 | Days Active: 348
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MD Prower14


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i think its C

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7:34 pm on Oct. 12, 2009 | Joined: Oct. 2009 | Days Active: 13
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( aperfectlygoodheart )


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Quote: from MD Prower14 at 7:34 pm on Oct. 12, 2009
i think its C

are you sure or are you just guessing?

7:35 pm on Oct. 12, 2009 | Joined: Aug. 2009 | Days Active: 75
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Yahtzee


Connoisseur 		Reply
SIG FIGS i'd say B most likely

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7:35 pm on Oct. 12, 2009 | Joined: Sep. 2008 | Days Active: 337
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