AP Chemistry Lab Manual

Molarity, mass percent, molality, mole fraction. 8. What is the mole percent of ethanol (C2H5OH) in 180 proof vodka, which consists of 71.0 g of ethanol for every 10.0 g of water present? 9. If 2.00 g of helium gas and 4.00 g of oxygen gas are mixed together what is the mole fraction of helium in the solution? 10. A correct statement of Henry ... ................
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