Find number of grams of isopropyl alcohol added to water
Calculate the number of grams of isopropyl alcohol (rubbing alcohol), C3H8O, which must be added to 275 g of water to prepare a 2.00 m solution of isopropyl alcohol.
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What percentage of the water will be vapor when the system reaches equilibrium?assume ideal behavior of water vapor and that the volume of liquid water is negligible. the vapor pressure of water at 45c is 71.9mmHg.
Write an expression for the reaction rate law.
If 83.7 grams of aluminum, Al, and 195.2 grams of sulfur, S, are put into a container and allowed to react according to the above equation, which substance(s) and how many grams of each would be present in the container after the reaction is complete
A sample of nitrogen gas is collected over water at a temperature of 20 degrees celcius and a pressure of 1.00 atm. the volume of the collected gas is 250.0 L. what is the mass of N2 collected? (at 20 degrees celcius, the vapor pressure of water i
A stock solution is prepared by adding 28 mL of 0.2 M Na3PO4 to enough water to make 76 mL. What is the PO43- concentration of 55 mL of the stock solution?
A student was asked to identify an unknown hydrate by following the procedure described in this module. After heating and cooling, a 2.752-g sample of this unknown weighed 1.941 g.
How many liters of h2 gas at stp can be produced by the reaction of 4.60g of Na and excess water, accoring to the following equation?2Na(s) + 2H2O(l) ---> H2(g)+2NaOH(aq)
Calculate the moles of aluminum ions present in 250.0 g aluminum oxide. Acetaminophen, a common aspirin substitute, has the formula C8H9NO2.
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