calculate mass of 0.5 mole of oxygen gas
vikramaditya85011:
16 amu
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0.5 mole o2 gas has mass of 16 amu
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heya mate here is your answer
That is, mass of one mole of a set molecules is gram molecular mass of that molecule. For example, molecular mass of a water molecule is 18 amu (2 amu for 2 hydrogen atoms, and 16 amu for one oxygen atom). So, mass of one mole of water would be 18 grams. Thus, mass of 0.5 moles of water would be 9 grams.
Formula
=Find the mass of an empty graduated cylinder. ...
Pour 100 mL of water into the graduated cylinder. ...
Weigh the graduated cylinder with the water in it. ...
Find the mass of only the water by subtracting the mass of the empty graduated cylinder. ...
Use the mass and volume of the water to calculate density.
That is, mass of one mole of a set molecules is gram molecular mass of that molecule. For example, molecular mass of a water molecule is 18 amu (2 amu for 2 hydrogen atoms, and 16 amu for one oxygen atom). So, mass of one mole of water would be 18 grams. Thus, mass of 0.5 moles of water would be 9 grams.
Formula
=Find the mass of an empty graduated cylinder. ...
Pour 100 mL of water into the graduated cylinder. ...
Weigh the graduated cylinder with the water in it. ...
Find the mass of only the water by subtracting the mass of the empty graduated cylinder. ...
Use the mass and volume of the water to calculate density.
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