Calculate the number of Oxygen atoms present
10 g of CaCO3.
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Answer:
1 gm mole of CaCO3 contains 6.022 x 10^23 (known as the Avogadro No) molecules. Each molecule contains 3 oxygen atoms, therefore you can calculate the number of O atoms in the units of mass that you omitted to include. (1.06/100) x 3 x 6.022 x 10^23 atoms. Or 1.915 x 10^22 atoms of O.
Explanation:
1 gm mole of CaCO3 contains 6.022 x 10^23 (known as the Avogadro No) molecules. Each molecule contains 3 oxygen atoms, therefore you can calculate the number of O atoms in the units of mass that you omitted to include. (1.06/100) x 3 x 6.022 x 10^23 atoms. Or 1.915 x 10^22 atoms of O.
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