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December 20, 2014

Homework Help: Chemistry

Posted by Cory on Monday, September 28, 2009 at 5:01pm.

A scientist wants to make a solution of tribasic sodium phosphate, Na_3PO_4, for a laboratory experiment. How many grams of Na_3PO_4 will be needed to produce 375 mL of a solution that has a concentration of Na^+ ions of 1.10M?

I tried multiplying .375 L by 1.10 M to get the number of moles, but I don't know if I'm doing this correctly. I got 0.4125 mols. Then am I supposed to convert this to grams? I feel like the moles number should be bigger.

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