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1. When a 0.528 g sample of a compound containing only carbon, hydrogen, and oxygen is burned, 0.306 g of water and 0.815 g of carbon dioxide are formed. What is the empirical formula for this compound?

2. If 20.0mL of 0.300 M solution of NaOH is require to neutralize 30.0mL of a sulfuric acid solution, What is the molarity of the H2SO4?

3. A 25.0 gram piece of metal is heated to 98.0 celsius. The metal is then placed into calorimeter containing 85.0mL of water at 35 celsius. The temperature of the calorimeter when the metal is added goes up to 77 celsius. What is the specific heat of the metal?

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