how many atoms present in sodium
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The molar mass of Na is 22.989 g/mol. To calculate atoms from moles, multiply given moles by 6.022×10^23 atoms/mol. 3 mol Na × (6.022×10^23 atoms Na/1mol Na) = 1.807×10^24 atoms Na
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it has it has a mass of 22.97 atoms
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