Molarity Practice Problems:

1. You need to prepare 2 liters of a 0.5 M Sucrose solution. How much sucrose would you need? (sucrose gfw = 342.3)
   
   
   
   
   
   
   
   
   
   
2. You need to prepare 100 ml of a 0.25 M Barium chloride (BaCl₂.2H₂O, gfw = 244.28). How much barium chloride do you need?
   
   
   
   
   
   
   
   
   
   
3. You need to prepare 500 ml of a 50 mM Ascorbic acid (C₆H₁₂O₁₁) solution. How much ascorbic acid do you need? (ascorbic acid gfw = 176.1)
   
   
   
   
   
   
   
   
   
   
4. You need to prepare 250 ml of 10 mM Magnesium sulfate (MgSO₄) solution. How much magnesium sulfate do you need? (MgSO₄ gfw = 120.4)