If 250 g of calcium chlorate decomposes into calcium chloride and oxygen, what mass of oxygen would be produced? ____ →

Question

If 250 g of calcium chlorate decomposes into calcium chloride and oxygen, what mass of oxygen would be produced?

____ → ____ + ____

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Dulcie 5 years 2021-08-11T14:24:28+00:00 1 Answers 14 views 0

Answers ( )

  1. sori
    0
    2021-08-11T14:25:50+00:00
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    115.94g of O₂ are produced by 250g of Ca(ClO₃)₂

    Explanation:

    Ca(ClO₃)₂ –>CaCl₂ + 3O₂

    One mole of calcium chlorate give three moles of oxygen.

    Molar mass of calcium chlorate is

    40+(35.5+16*3)*2 = 207g/mol

    Molar mass of Oxygen = 32g

    1 mole of calcium chlorate decomposes to form 3 moles of oxygen.

    So,

    207g of Ca(ClO₃)₂ produces 3 X 32g of O₂

    250g of Ca(ClO₃)₂ will produce = \frac{3 X 32}{207} X 250

                                                        = 115.94g of O₂

    Therefore, 115.94g of O₂ are produced by 250g of Ca(ClO₃)₂

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