how many moles are contained in 4.67 L sample of gas at 33 degrees celcius and 199 kpa
35.0 moles nitrogen (1 mole N/14.01 grams) = 2.50 moles nitrogen ----------------------------
The answer is 1,83 moles.
17.....you said it in the question.
Number of moles is 9,8355/T (T in kelvin).
0.0710 mol
See the Related Question (link to the left of this answer)."How many moles of carbon dioxide are there in a 50.0 dm3 sample of the gas at a pressure of 100.0 kPa and a temperature of 50 degrees celsius?" 1.86 moles
.271 mol
35.0 moles nitrogen (1 mole N/14.01 grams) = 2.50 moles nitrogen ----------------------------
The answer is 5,15.1e-4.
There should be about 0.117 moles of oxygen in the original sample. Is this for the mastering chemistry online quiz? for universiy?
88.9237 moles
Formula mass of MgCl2 = 24.3+2(35.5) = 95.3Amount of MgCl2 = 444/95.3 = 4.66mol4.66 moles of MgCl2 are contained within a 444g pure sample.
The answer is 1,83 moles.
1
The molar mass of barium sulfate, BaSO4 is 233.4 Amount of BaSO4 = mass of sample / molar mass = 14.2/233.4 = 0.0608mol 0.0608 moles of BaSO4 are conained in a 14.2g pure sample.
17.....you said it in the question.
Number of moles is 9,8355/T (T in kelvin).