Question

calculate the number of moles in 140g of nitrogen gas. also find the volume at STP ?

Answer 1

Answer:

moles = 10, volume = 224 litres

Explanation:

no of moles = weight given/ GMW

weight given = 140g

GMW of nitrogen = 14g

no of moles = 140/14 = 10 moles

Volume = no of moles * 22.4

Volume = 10* 22.4

Volume = 224 Litres at stp

Answer 2

Answer:

Explanation:

No. of moles of N2 in 140g = 140/14 X 2

=140/28 = 5

Volume of anything in STP is 22.4L