Calculate the gram atoms in 12.8g of oxygen ?

Calculate the mass of 2.5g atom of oxygen

Oxygen gas generated by the decomposition of potassium chlorate is collected. The volume of oxygen collected at 24^(@)C and atmospheric pressure of 760 m m Hg is 128 mL . Calculate the mass ( in grams ) of oxygen gas obtained. The pressure of water vapour at 24^(@)C is 22.4 m m Hg .

Calculate the number of atoms in 46g of He.

Calculate number of gram atoms in 103g of KOH.

Calculate number of gram atoms in 669.6 g of iron?

Calculate the total number of atoms in 18g of water.

Calculate the number of atoms in each of the following 52g of He

Calculate the mass of one atom of oxygen.

Calculate the mass of 2.5 gram atoms of magnesium.

Calculate the number of atoms in 0.20 mole molecules of oxygen