Uploaded by Ola Emad

Worksheet - Henrys Law and Molarity

advertisement
Honors Chemistry
Name: _____________________________
Henry’s Law Practice
1. The solubility of a gas is 0.58 g/L at a pressure of 104 kPa. What is the solubility if the pressure
increases to 250 kPa at constant temperature?
2. The solubility of a gas is 1.6 g/L at 760 mmHg. What is the solubility of the same gas at a pressure of
2.5 atm? Assume temperature to be constant.
3. A gas has a solubility of 2.45 g/L at a pressure of 0.750 atm. What pressure would be required to
produce an aqueous solution containing 6.25 g/L of this gas at constant temperature?
Molarity Practice
1. Calculate the molarity of a solution in which 0.50 moles of MgCl2 are dissolved to produce 1.5 liters of
solution.
2. Calculate the molarity of 1 mole of NaNO3 in 500 mL of water.
3. How many grams of LiOH are required to make 4.2 L of a 0.98 M solution?
4. What volume of 0.25 M solution can be prepared using 0.50 moles of KCl?
5. Calculate the molarity of a 250 mL solution containing 85.0 g of BaCl2.
Honors Chemistry
Name: _____________________________
6. What volume of 0.10 M solution can be prepared using 11.6 g of NaCl?
7. How many moles of CaO are required to make 48 mL of 0.1 M solution?
8. How many grams of Ca(OH)2 would be required to make 500 mL of a 2.5 M solution?
Dilution Practice
1. How many liters of 4.3 M Li2O solution are required to make 5 L of 2.1 M Li2O solution?
2. How many milliliters of a 6.0 M HCl solution are required to make 2.0 L of 2.7 M HCl?
3. How could you prepare 300 mL of 0.45 M LiBr using a solution of 1.7 M LiBr and water?
4. How could you prepare 10 L of 0.1 M NaOH using 1.0 M NaOH and water?
5. What is the molarity of a solution made by diluting 1.2 L of 7 M KCl with 0.8 L of water?
Download