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Topic: Mole equations  (Read 8182 times)

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Offline shanker

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Mole equations
« on: August 28, 2009, 04:40:45 AM »
I struggle to understand the mole and equations involving the molar mass etc. If someone is able to explain this to me I would really appreciate it. :)
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Offline Astrokel

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Re: Mole equations
« Reply #1 on: August 28, 2009, 10:15:48 AM »
Look up on the definitions and it would help you understand better.
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Offline Ida Isotope

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Re: Mole equations
« Reply #2 on: August 28, 2009, 06:18:46 PM »
Moles x Molar Mass = Mass.

Mass divided by Molar Mass = Moles.

Always use units if you are confused.

Moles = Mol.
Molar Mass = g/mol
Mass = g.

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Offline Fridushka

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Re: Mole equations
« Reply #3 on: August 29, 2009, 08:26:06 AM »
u also have to take into cosideration, the stiochiometry! and most of the times the mass or number of moles is asked because molar mass is given..unless u have an unknown sample where u have to fine the molar mass to know the formula of your sample

good luck:)
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