Homework Help: Chemistry

Posted by Hannah on Sunday, February 13, 2011 at 5:20pm.

How many grams of potassium carbonate are needed to make 0.200 L of a 2.50M solution?

Chemistry - DrBob222, Sunday, February 13, 2011 at 6:58pm
moles needed = M x L = ??
then moles = grams/molar mass
Solve for grams.

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