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May 27, 2015

Homework Help: science

Posted by Ally on Thursday, September 17, 2009 at 6:08pm.

Q4.you will be asked to prepare 25.0 mL of a 0.019 M solution of sodium chloride during this experiment....

a.calculate mass of sodium chloride needed to prepare solution.

(0.25L)(0.019M NaCl/L)*(58.5g NaCl/1mole NaCl)=0.278 g NaCl....is that right?


someone just replied it was 2.3 but how do i get that?

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