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Please help me!!! Chemistry

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Multiple choice
When methane is burned with oxygen, the products are carbon dioxide and water. If you produce 18 grams of water from 8 grams of methane and 32 grams of oxygen, how many grams of carbon dioxide were produced in the reaction?
a)40
b)22
c)58
D)18

  • Please help me!!! Chemistry -

    Write the equation and balance it. This problem is all about recognizing the conservation of mass.
    CH4 + 2O2 ==> CO2 + 2H2O
    ..8....32......x......18
    ..8 + 32 = x + 18. What's x?

  • chemistry -

    How many grams of carbon tetrachloride can be produced from reacting 709.0 grams of chlorine with excess methane?

  • sri bhagwan mahavir jain college -

    22 grms of carbondioxide is produced in the reaction

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