calculate no of atoms of 0.2 mole molecule of oxygen
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Ans: Given number of moles = 0.2, molecular weight of Oxygen molecule (O₂) = 32
Number of moles = weight/ Molecular weight of Oxygen molecule
0.2 = weight/32
Weight = 0.2*32
= 6.4 grams
Therefore mass of 0.2 moles of Oxygen molecule is equal to 6.4 grams.
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