Calculate the number of oxygen atoms in 0.10 mole of Na 2 CO 3 .10H 2 O.

1 molecule of Na 2 CO 3 .10H 2 O contains 13 atoms of oxygen 6.022 × 10 23 molecules (ie., 1 mole) has 13 × 6.022 × 10 23 atoms 0.1 mole will have atoms = 0.1 × 13 × 6.022 × 10 23 = 7.8 × 10 23 atoms

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Chemistry

Calculate the number of oxygen atoms in 0.10 mole of Na₂CO₃.10H₂O.

Mole Concept

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Answer

1 molecule of Na₂CO₃.10H₂O contains 13 atoms of oxygen

∴ 6.022 × 10²³ molecules (ie., 1 mole) has 13 × 6.022 × 10²³ atoms

∴ 0.1 mole will have atoms = 0.1 × 13 × 6.022 × 10²³

= 7.8 × 10²³ atoms

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Chemistry

Calculate the number of oxygen atoms in 0.10 mole of Na₂CO₃.10H₂O.

Mole Concept

Answer

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Calculate the number of oxygen atoms in 0.10 mole of Na2CO3.10H2O.

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