Calculate the number of particles in 31g of Na2O.
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Answer:mole concept should be used here...31/39 = 0.79no. of molecules = Na*n = 0.79Na
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According to Avogadro's number, every 1 mole of a substance contains atoms or particles. It is known that molar mass of is 123.90 g/mol and its mass is given ...
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