Posted by Karla on .
If 45g of a 2.2% NaHCo3 solution is to be prepared how many grams of NaHCo3 are needed

Chemistry 
DrBob222,
Is that mass percent? 2.2% means 2.2g NaHCO3/100 g solution. You want only 45g; therefore,
2.2 x (45/100) = ?