Permalink Submitted by kingchemist on Fri, 2014-12-12 07:24

Density of liquid nitrogen (check) = 0.807 g/ml so find the mass of 25L by (0.807 x 25000) g. Then find the number of moles N2 in this by (0.807 x 25000)/28. where 28g is the approx molar mass of N2. This is n. Plugin to V = nRT/P using the conditions of rtp (stp?)

'Chemistry is not just the study of matter; Chemistry is the study which matters!' - Kingchemist

## Density of liquid nitrogen

Density of liquid nitrogen (check) = 0.807 g/ml so find the mass of 25L by (0.807 x 25000) g. Then find the number of moles N2 in this by (0.807 x 25000)/28. where 28g is the approx molar mass of N2. This is n. Plugin to V = nRT/P using the conditions of rtp (stp?)

'Chemistry is not just the study of matter; Chemistry is the study which matters!' - Kingchemist