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One liter of ozone gas at 1 atmosphere and 0°C has the mass of is 2.141 gm. At 20°C (STP) that would be 1.995 gm. 3.36 L would be 6.70 gm (to three sig figs).
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How many moles of oxygen gas are there in 180 L of oxygen at STP?
If the density of oxygen atSTP is 1,429 g/L the mass of 180 L is 257,22 g.If the mole of oxygen (O2) is 15,999 g the number of moles is 16,077.
How many grams of oxygen gas is contained in 11.2L 02 gas at stp?
To determine how many atoms are present in 56 liters of oxygen gas at STP you first need to know that there are two atoms in a single molecule. Then, you would work the scientific formula to determine the number of molecules in the oxygen gas.
A mixture of gases contains 0.25 mol oxygen gas and 1.50 mol carbon dioxide gas at STP the mole fraction of oxygen gas in its mixture is?
0.3
Why is it important to know the mass and volume of gas at STP?
To find it's density
Which is more heavier - hydrogen gas or oxygen gas?
Mass of Hydrogen gas:- 2g/mol Mass of Oxygen gas :- 32g/mol Therefore, Oxygen gas is more heavier
What is the state of matter of oxygen?
At STP it is a gas
What type of element of oxygen?
A gas at STP.
Oxygen is what type of element?
part of the oxygen group....gas, nonmetal...
How many liters of oxygen gas are present in 11.3 grams of oxygen gas?
Because oxygen gas (O2) has a molar mass of 32g/mol, 11.3 g * 1/32 mol/g gives about .35 moles. An ideal gas has a volume of 22.4 L/mol at STP, so 11.3 g O2 would have a volume of 7.91 L at STP.
How many moles of o2 molecules are there in 50dm3 of o2 gas at STP?
A cubic decimeter is a liter, so we're talking 50L of oxygen gas at STP. 1mol of any gas at STP occupies 22.4L of space, so 50/22.4 = about 2.2mol of oxygen.
How many moles are in 68.5 liters of oxygen gas at STP?
3.058
How many moles of oxygen gas are there in 180 L of oxygen at STP?
If the density of oxygen atSTP is 1,429 g/L the mass of 180 L is 257,22 g.If the mole of oxygen (O2) is 15,999 g the number of moles is 16,077.
A 2.50 liter sample of a colorless gas at STP decomposed to give 2.50 liters of nitrogen gas and 1.25 liters of oxygen at STP. what is the colorless gas?
nitros oxide N2O
Why is nitrogen gas at STP less dense than Xe gas at STP?
atoms have a higher mass than molecules. Because both gases at STP have the same number of molecules per unit volume, the gas must be denser.
How many grams of oxygen gas is contained in 11.2L 02 gas at stp?
To determine how many atoms are present in 56 liters of oxygen gas at STP you first need to know that there are two atoms in a single molecule. Then, you would work the scientific formula to determine the number of molecules in the oxygen gas.
A mixture of gases contains 0.25 mol oxygen gas and 1.50 mol carbon dioxide gas at STP the mole fraction of oxygen gas in its mixture is?
0.3
In what phase would a substance with a volume of 25.00mL and a mass of 78.05g be at STP?
Gas
