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July 22, 2025, 01:48:00 pm
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Author Topic: quick question..  (Read 589 times)  Share 

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ElHadiio

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quick question..
« on: March 16, 2011, 09:38:04 pm »
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can someone please help me with my prac
our pracs about volumetric analysis
and the question is
Why is solid iodine not considered to be a good primary standard?
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2010:  Religion and Society   [35] : (
2011:  English [40+],  Methods [38+],  Specialist [35+],  Physics [38+],  Chemistry [38+]
ATAR aim: 95+
2012: I have no idea.. :(

I LOVE CHEMISTRY : D

pi

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Re: quick question..
« Reply #1 on: March 16, 2011, 09:41:58 pm »
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1. Its toxic (as it is pure)  <-- although this is not essential
2. Relatively low molar mass (compared to more common standards)
3. Not soluble (I think it sublimes, not sure though)


Can't think of anything else...
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ElHadiio

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Re: quick question..
« Reply #2 on: March 16, 2011, 09:44:02 pm »
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thank you :D
can anyone verify this for me
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2010:  Religion and Society   [35] : (
2011:  English [40+],  Methods [38+],  Specialist [35+],  Physics [38+],  Chemistry [38+]
ATAR aim: 95+
2012: I have no idea.. :(

I LOVE CHEMISTRY : D

ElHadiio

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Re: quick question..
« Reply #3 on: March 16, 2011, 10:08:59 pm »
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oh also
what is the purpose of the little packets of desicant in Vitamin C bottles?...
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2010:  Religion and Society   [35] : (
2011:  English [40+],  Methods [38+],  Specialist [35+],  Physics [38+],  Chemistry [38+]
ATAR aim: 95+
2012: I have no idea.. :(

I LOVE CHEMISTRY : D

ElHadiio

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Re: quick question..
« Reply #4 on: March 16, 2011, 11:39:53 pm »
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thank you very much pi and anyone else who spent time thinking of the answer or tried to help
its cool i got it :)


Moderator action: removed real name, sorry for the inconvenience
« Last Edit: January 15, 2017, 05:48:10 pm by pi »
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2010:  Religion and Society   [35] : (
2011:  English [40+],  Methods [38+],  Specialist [35+],  Physics [38+],  Chemistry [38+]
ATAR aim: 95+
2012: I have no idea.. :(

I LOVE CHEMISTRY : D
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