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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