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Chemistry problem!

Posted 12-19-2009 at 02:54 AM by abe is now!
I need a little help in calculating solutions density: is it SOLUTION MASS/SOLUTION VOLUME or SOLUTE MASS/SOLUTION VOLUME?

I think it's the first one, but I'm not sure!!!

An example is: I've got a solution:
mass: 5,80 g
volume: 200 ml (H2O)

is density: (200ml + 5,80g) : 200 ml= 1,029 ml?

is it right?
Total Comments 6


Taco's Avatar
I hate Chemistry. Ask a physics question
Posted 12-19-2009 at 03:08 AM by Taco Taco is offline

Wil's Avatar
I always sucked at solutions, molar masses and chemistry in general, but if it's the concentration of the solution you want, then it's solute mass/solution volume.

Do you need to express it in molar, percentage or ppm?
Posted 12-19-2009 at 03:10 AM by Wil Wil is offline

Josh's Avatar
Chemistry is the bitch of science.
Posted 12-19-2009 at 03:11 AM by Josh Josh is offline

abe is now!'s Avatar
@ Max:

It's not concentration, it's density! I know that concentration is solute mass/mass volume * 100

I'm looking for density!
Posted 12-19-2009 at 03:11 AM by abe is now! abe is now! is offline

MA's Avatar
10ml jab of Nuflor.
Posted 12-19-2009 at 03:23 AM by MA MA is offline

Wil's Avatar
The formula for density is always the same: mass over volume.
Posted 12-20-2009 at 08:38 AM by Wil Wil is offline


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