Question

A gas at 20c may be considered as rarefied if it contains less than 1012 molecules per mm3 . If avogadros number is 6.023e23 molecules per mole, what air pressure does this represent?

Answer 1

Strips of copper, iron, zink and aluminium were introduced, ... Zn+feso4 gives znso4+ Fe. Al+feso4gives also4+Fe.

Answer 2

A gas at 20°C may be rarefied if it contains less than 10. 12 ... Avogadro's number is 6.023E23 molecules per mole.