Originated From
AOL Search

How many molecules are in 30 liters of methane (CH4) at STP?

Liked this question? Tell your friends about it

2 Answers

Order by
Oldest to Newest
Newest to Oldest
Votes

Get moles with ideal gas equation first.

 

PV = nRT

(1 atm)(30 Liters) = n(0.08206 L*atm/mol*K)(298.15 K)

 

= 30/24.466 = moles methane

 

= 1.226 moles methane

================

 

1.226 mole methane (6.022 X 10^23/1 mole CH4)

 

= 7.4 X 10^23 molecules of methane

---------------------------------------

" Reality is that which exists outside of your beliefs. "

Related Questions

Other people asked questions on similar topics, check out the answers they received:

Asked: What body of water surround Cambodia?

Education,Science

Asked: I am thinking of buying a second hand ...

i am thinking of buying a second hand spectrophotometer for grape juice and wine evaluation. most specifically the measurement of tannins. anyone know what i should be looking for? segest a type and ...

Asked: How much energy is needed to melt 4.24 grams of ...

how much energy is needed to melt 4.24 grams of Pd