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Topic: molar concentration  (Read 4083 times)

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Offline dayne_lo

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molar concentration
« on: April 13, 2008, 09:30:38 AM »
how can i solve the molar concentration if theres no volume? just like this "Oxalic acid,H2C2O4 occurs as the potassium or calcium salts of many plants, including rhubarb and spinach. An aqueous solution of oxalic acid is 0.585 mole/kg H2C2O4. the density of the solution is 1.022 g/ml. what is the molar concentration?


Offline Structuralist

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Re: molar concentration
« Reply #1 on: April 13, 2008, 10:06:28 AM »
OK you have the density right? it is mass/volume, you have the mass also, because you can calculate the molar mass of the substance and from the equation n=m/M to find out the mass.
The rest is simple math.

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