posted by Missy .
A sample of natural gas at STP is 78% CH4 and 22% C2H6 by volume. How many moles of each gas are present in 1.60L of the mixture? Assume ideal gas behavior
Wouldn't that be 0.22 x 1.60 L and
0.78 x 1.60 L to obtain volume, then convert volume at STP to moles?