SOLVE THE PROBLEM OF RELATIONSHIP BETWEEN MOLE AND VOLUME
1. What is the volume, in liters, of 2.00 moles of hydrogen at STP?
2. How many liters will 5.00 moles of oxygen occupy at STP?
3. What is the volume, in liters, of 0.250 moles of carbon monoxide at STP?
4. What is the volume, in liters, of a 3.00 mole sample of carbon dioxide at STP
5.
How many moles of chlorine are there in a 67.2 liter sample of chlorine at STP?
6. A 44.8 liter sample of nitrogen at STP will contain how many moles of nitrogen?
7. How many moles of ammonia are there in 405 liters of ammonia at STP?
8. How many moles of neon would you need to fill a 33.6 liter container at STP?
9. How many moles of argon are there in 5.00 x 102 liters of argon at STP?
10. What is the volume, in liters, of 4.50 moles of fluorine at STP?
SOLVE THE PROBLEM OF RELATIONSHIP BETWEEN MOLE AND CONCENTRATION
1. What is the concentration of the solution obtained when 0.50 mol of NaCl is dissolved
into 0.20 L of water?
2. The concentration of carbon dioxide in the oceans around Australia is about 0.05 × 103 M. How many moles of CO2 are present in 3.2 L of seawater?
3. What mass of CO2 does this correspond to?
4. A 500. mL solution of HCl with a concentration of 0.10 M is diluted to 1500. mL. What
is the new concentration? (Hint: work out the number of moles present)
5. A 500. mL solution of HCl with a concentration of 0.10 M is diluted to 750. mL. What is
the new concentration?