Find the mass of 2 moles of oxygen atoms ?

Find the mass of 2.5 mole of oxygen atom .

(i) Explain smelting process. (ii) Calculate the number of moles of CO_(2) (iii) Find the mass of 2.5 mole of oxygen atom.

What name is the mass of 0.2 mole of oxygen atoms ?

What is the mass of 0.2 mole of oxygen atoms?

What is the mass of : 0.2 mole of oxygen atoms ?

What is the mass of 1 mole of oxygen atoms ?

What is the mass of : 0.2 mole of oxyen atoms?