Question

4 (0) How many oles OT Na2Cu3
present in 212g of it?
(ii) Calculate no. of moles in 3.0115 X
1022 atoms of Na.
(iii) Calculate no. of atoms present in 1
mole of PA molecule ?
(iv) Calculate no. of molecules in a drop of
water weighs .05g.
(v) How many atoms of H and S are
present in 0.8 mole of H2S ?​

Answer 1

sorry I can't understand what you are saying