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What is the mass of 0.2 mole of sodium.
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What is the mass of 0.2 mole of sodium.

User Georgeanne
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We know that 1 mole of sodium contains Avogadro number of atoms. - But we have to find the number of atoms in 0.2 mole of sodium. - Therefore 0.2 moles of sodium (Na) contains 12.046×1023atoms in it.

User Jimmu
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Therefore 0.2 moles of sodium (Na) contains 12.046×1023atoms in it.
User Eaweb
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