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How many grams of sodium will have the same number of atoms are 6 g of magnesium ? (Na = 23 , Mg = 24) |
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Answer» Number of grams- atoms of Mg = `("mass of Mg in atoms")/("gram-atomic mass") = (6g)/(24 g) = (1)/(4)` `therefore` gram - atoms of sodium should be `(1)/(4)` `because` 1 gram - atom of sodium = 23 g `therefore (1)/(4)` gram-atom of sodium = `23 xx 1/4 g = 5.75 g` . |
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