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posted by Karla Tuesday, April 16, 2013 at 9:08pm.
If 45g of a 2.2% NaHCo3 solution is to be prepared how many grams of NaHCo3 are needed
Is that mass percent? 2.2% means 2.2g NaHCO3/100 g solution. You want only 45g; therefore, 2.2 x (45/100) = ?
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