match the following
 

	Column A		Column B
A)	1.2gr of carbon	P)	$4.8\times {10}^{23}$  atoms
B)	32 gr of  $O_2$	Q)	$9.034\times {10}^{23}$   atoms
C)	$11.2$Lit  $C{O}_2$ at STP	R)	$0.1$ moles
D)	$0.2$ moles  $N{H}_3$	S)	$9.64\times {10}^{24}$ electrons

One mole of a substance is defined as the amount of that substance that contains the same number of entities as there are atoms in 12 grams of pure carbon-12. The number of entities in a mole is known as Avogadro's number, which is equal to 6.022 x 10^23.