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Topic: How do I calculate 1 molar equivalent?  (Read 26425 times)

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Offline redfox

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How do I calculate 1 molar equivalent?
« on: February 07, 2008, 09:28:40 AM »
I need to use some ch2cl2 and 1 me of Iodine...how would I calculate that?
Iodine weighs 126.90 and ch2cl2 weighs 84.93 g/mol
Ta!
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Offline russellm72

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Re: How do I calculate 1 molar equivalent?
« Reply #1 on: February 07, 2008, 02:04:25 PM »
Ok you say u need to use CH2CL2 or dichloromethane but what do you mean 1 me???? of Iodine.

Remember for a start Iodine is diatomic so it exisits as I2..

Also Iodine is a solid so you'll need a weight and although you could weigh dichloromethane it's more normal to use a volume as it's a volatile liquid.

R
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Offline russellm72

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Re: How do I calculate 1 molar equivalent?
« Reply #2 on: February 07, 2008, 02:13:18 PM »
sorry u mean molar equivalent (me!)

Ok remember iodine is diatomic and then it's simple.

If you had a compound weighing 100 a.m.u. and one weighing 200 a.m.u. then if you took 1g of the former you'd need 2 g of the second to have 1 molar equivalent.

all to do with number of moles.

Understand?

R
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