An ideal gas sample occupies a container of volume 070l at

Question

Estimate the all parts of given question:

Question: An ideal gas sample occupies a container of volume 0.70L at STP.

Question I: Find the number of moles in the sample.

Question II: Find the number of molecules in the sample.

Question III: If the gas is carbon monoxide (CO), what is the sample's mass?

Please show how you obtained the answer and express your answer using two significant figures.