Chemistry, 19.05.2020 16:09 milhai0627a
1. A solution of seawater contains 3.0 g salt in 97.0 g of water. What is the concentration of this solution expressed as percent salt by mass?
2. What is the concentration of a sugar-water solution that has 10.0 g of sugar in 40 g of water expressed as percent sugar by mass?
3. An acidic solution is made by dissolving 4.0 g of acetic acid in 35.0 g of water. What is the concentration of the solution expressed as percent acetic acid by mass?
4. A saturated solution of KNO3 at 80 degrees C has 160.0 g of KNO3 in 100.0 g of water. What is the concentration of this solution expressed as percent potassium nitrate by mass?
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