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A gas contains 92.32% C and 7.68% H. if 10.0L of the gas at STP weighs...

  1. A gas contains 92.32% C and 7.68% H. if 10.0L of the gas at STP weighs 11.6g, what is the molecular formula of the gas?
  2. A 5.43 sample of which elemental diatomic gas occupies 4.38L at 25 Celsius and 0.950 atm?
  3. A 5.84g sample of which noble gas occupies 1.00L at 0 Celsius and 760mm Hg pressure?
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