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concentration calculation

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mrm
Probably a bot.


Joined: 03 Nov 2005
Posts: 1

PostPosted: Thu Nov 03, 2005 8:30 pm    Post subject: concentration calculation Reply with quote

If I am trying to make up a 5% w/v aqueous solution of sodium dithionite how many grams of power do I need and how many liters of water?
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RobJim
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Joined: 13 Feb 2005
Posts: 320
Location: Los Angeles, CA

PostPosted: Thu Nov 03, 2005 11:50 pm    Post subject: Reply with quote

[The w/v] is the mass of the solute in grams multiplied by one hundred divided by the volume of solution in milliliters.

Does that help?

http://en.wikipedia.org/wiki/Concentration#Mass-volume_percentage[/b]
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