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Posted by on Friday, January 29, 2010 at 2:14pm.

How many liters of oxygen gas at 153 degrees celsius and 0.820 atm can be produced by the decomposition of 22.4 g of solid KClO3? (The other decomposition product is solid potassium chloride)

  • Chemistry - , Friday, January 29, 2010 at 3:49pm

    1. Write the equation and balance it.
    2. Convert what you have (KClO3) to moles. # moles = grams/molar mass.
    3. Using the coefficient in the balanced equation, convert mole KClO3 to moles O2.
    4. Now use PV = nRT to convert moles O2 at STP to liters of O2 at the other conditions.
    Post your work if you get stuck.

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