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April 18, 2014

Homework Help: CHEMISTRY

Posted by STACY on Monday, December 13, 2010 at 8:05pm.

how many grams of sodium carbonate are needed to prepare 0.250 L of an 0.100 M aqueous solution of sodium ions?

well normally you go moles=grams/molar mass than M= moles/L

but when looking for grams? what do you do........multiple .250 by .100 than divide by the molar mass of 105.988??

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