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What is the number of Carbon atoms in 5.6 liters of C5H12 in CNTP? Student measures a pressure of 775mmHg for a volume of 565 mL. Calculate the pressure for the same experiment with a volume of 585 mL.? Is 3.61 out of 4 a good cumulative GPA for an earned B.Sc. in Chemistry??? Cooling with co2? YOu have a solution of .250 M NaCl. If you boil away 2/3 of the volume of water, what is the concentration of this solution?