How many liters of h2 gas at stp can be produced
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)
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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
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An aqueous solution has a vapor pressure of 84.0 at 50 . The vapor pressure of pure water at this temperature is 92.6 . What is the concentration of in mass percent?
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