I would assume 20 g Ne and 20 g He (but any number will do as long as it is the same for both).
mols Ne = grams/atomic mass = ?
mols He = grams/atomic mass = ?
Total mols = ?
XNe = mols Ne/total mols
pNe = XNe*Ptotal = ?
if the total partial pressure of Ne and He having the same mass in a sealed container is 6atm then what is that of Ne?
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