Calculate the actual mass of 0.25 gram atom of calcium.
Step 1: mass of 0.25 gram atom of calcium.
Step 2:
No. of gram atoms =givenmassatomicmass
Step 3:
0.25=×40
×=40×0.25
=10gm
Mass of 0.25 g atom of calcium = 10 gm.
Calculate the actual mass of : (a) an atom of oxygen,
(b) an atom of hydrogen, (c) a molecule fo NH3,
(d) the atom of silver (e) th emolecule fo oxygen (f) 0.25 gram atom of calcium.
Calculate the weight of 0.25 gram atom of calcium.
Calculate the following:The mass of 0.25 moles of Calcium.