Respuesta :

Answer:

0.21mol Ar (g)

Explanation:

To convert from litres to moles at STP we must divide the amount of litres by 22.4.

4.7 / 22.4 = 0.21mol Ar (g)

Answer:

0.2098mole

Explanation:

we know ,

1 mole (gas) =22.4 liters [in STP]

so,

22.4 liters  argon gas = 1 mole

4.7 liters  argon gas = (4.7/22.4)mole

                                  =0.2098mole