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For solutions of NaCl in water the volume in cm3 of the solution as a function of molality was found to follow the following equation, V=0.4992m^2+18.438m+1003.0. The molar mass for NaCl and water are 58.443 g/mol and 18.015 g/mol, respectively. Calculate the partial molar volumes for NaCl and water in a 0.35m solution
An aqueous antifreeze solution is 35.0% ethylene glycol (C2H6O2) by mass.
what is the purpose of placing a lead apron on a person who is receiving routine dental X-rays? d)why are the walls in a radiation lab built of thick concrete blocks
A compressed air tank carried by scuba divers has a volume of 9.5 L and a pressure of 130 atm at 20 C. What is the volume of air in the tank (in liters) at STP?
calculate how many moles of KIO3 are needed to make 50 ml of 0.20 M solution?
What is the maximum amount of silver chloride that can be formed? IN GRAMS b.What is the FORMULA for the limiting reagent?
briefly describe the theory behind IR spectroscopy and why it is a valuable technique to chemists.
Calculate the number of moles of CO 2
What volume of .250 M NaOH is required to neutralize a 10mL sample of .750 M HCl.
A quantity of gas under a pressure of 1.78 atm has a volume of 550 cm square. the pressure is increased 2.50atm while the pressure remains constant what is the new volume.
A gas under a pressure of 74 mmHg and at a temperature of 75C occupies a 500.0-L container. How many moles of gas are in the container?
The mole fraction of oxygen in air is .210. If the atmospheric pressure is .979 atm, what is the solubility of oxygen in air at 25.0 degrees C?
What mass of NO2 can be produced by the complete reaction of 48.00 g of ammonia with 95.00 g of oxygen
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