Mole 10.089
2. 5.38 x 1024 molecules H20 - 2 mol H2O
3. 5.75 L CO2 gas at STP = ? mol CO2
4. 40.5 g Fe = ? atoms Fe
5. 5.85 L Xe gas at STP =? atoms Xe
6. 16.5 L He gas at STP = ? g He
7.3.29 1022 atoms Au = ? g Au
8. 49.1 g Ne = ? L Ne gas at STP
9. 9.50 x 1020 molecules H2 = ? L H2 gas at STP