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help calculating the concentration
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Topic: help calculating the concentration (Read 2257 times)
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haber101
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help calculating the concentration
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on:
June 09, 2010, 06:51:05 PM »
Benedict's solution is made in the following way
173 grams of sodium citrate
100 grams of sodium carbonate in 800 mL of water
17.3 g of cupric sulphate pentahydrate in 100 mL of water
Dilute to 1000 mL.
Calculate the concentration of the following in this solution.
a) sodium citrate
b) sodium carbonate
c) cupric sulphate
i have calculated the molar mass of the three but how do i calculate the concentration?
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opti384
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Re: help calculating the concentration
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Reply #1 on:
June 09, 2010, 09:55:31 PM »
Which concentration are you asking about? Molar, molal or weight percent? But in this case since it gives the volume of the solvent, probably it's asking for the molar concentration which is (the mol of the solute)/(the volume of the solvent)
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help calculating the concentration