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Suppose the chemist had chosen 10^20 as the number of particles in a moles. What would be the molecular mass of oxygen gas?
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Suppose the chemist had chosen 10^20 as the number of particles in a m...
The mass of each atom is the same regardless of the number of them in your bag.
O2 molecule consists of two oxygen atoms
Whose mass is 5.3134*10^(-26) kg per molecule.
So 10^20 of these molecules is 5.3134*10^(-6) kg or 5.3134 milligrams of oxygen. 3.72 cc at STP.
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Calculating Molecular Mass of Oxygen Gas with 10^20 particles in a mole
To calculate the molecular mass of oxygen gas when considering 10^20 particles in a mole, we need to first understand the concept of Avogadro's number, which is 6.022 x 10^23. This number represents the number of particles in one mole of a substance.

1. Determine the number of moles of oxygen gas:
Given that there are 10^20 particles in a mole, we can calculate the number of moles of oxygen gas by dividing the given number of particles by the Avogadro's number:
Number of moles = 10^20 particles / 6.022 x 10^23 = 0.0166 moles

2. Find the molecular mass of oxygen gas:
The molecular formula of oxygen gas is O2, which means each molecule contains 2 oxygen atoms. The atomic mass of oxygen is approximately 16 g/mol. To find the molecular mass of oxygen gas, we multiply the atomic mass by the number of atoms per molecule:
Molecular mass of oxygen gas = 2 x 16 g/mol = 32 g/mol
Therefore, the molecular mass of oxygen gas with 10^20 particles in a mole is 32 g/mol. This calculation helps in understanding the relationship between the number of particles in a mole and the molecular mass of a substance.
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Suppose the chemist had chosen 10^20 as the number of particles in a moles. What would be the molecular mass of oxygen gas?
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