1 mole of He gas has 6.022×10x atoms. x is _____
20
23
25
30
He is a noble gas. Thus, it is monoatomic. Thus, the unit of He gas is He atom itself.
Thus, 1 mole of He gas = 6.022 × 1023 atoms of He.
1 mole of He gas has 6.022× 10xatoms. x is ___
One mole of oxygen gas at STP is equal to...........
(a) 6.022×1023 molecules of oxygen
(b) 6.022×1023 atoms of oxygen
(c) 16 g of oxygen
(d) 32 g of oxygen
How many moles of molecules and atoms of sulphur are present in 0.1 mole of S8?