Need Help with Question 10-15

If you have 5.71024 atoms of sodium, how many moles is that? Your Answer: Answer Question 11 (0.25 points) What is the molar mass of Br(CH2)7NO2 ? Your Answer: Answer Question 12 (0.25 points) How many liters of 0.58M solution contain 6.0 moles of solute? Your Answer: Answer Question 13(0.25 points) If 3.0L of solution is diluted to a new volume of 6.0L, and the final concentration is 0.50M, what was the original concentration? Your Answer: Answer Question 14 (0.5 points) How much pressure, in torr, will be exerted by 4.6 moles of argon at 38C in a 85L container? Your Answer Answer Question 15 (0.5 points) What is the volume, in liters, of 5.8 moles of gas at 82C and 578 torr? Your