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When 50.0g of silicon dioxide is heated with an excess of carbon 32.2 g of silicon carbide I'd produced.

SiO2(s) + 3C(s) → SiC(s) + 2CO(g)

A. What is the percent yield of this reaction?
B. How many grams of CO gas are made?

  • Chemistry -

    Convert 50 g SiO2 to mols. mols = grams/molar mass.
    Using the coefficients in the balance chemical equation convert moles SiO2 to SiC.
    Convert moles SiC to grams. g = mols x molar mass. This is the theoretical yield.
    Percent yield = (actual yield/theoretical yield)*100 = ?

    Part B is in the same way as part A. Post your work if you get stuck.

  • Chemistry -


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