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Answer to Mole Exercise 1 |
The atomic weight of sodium (Na) is 23.0 amu. How many
atoms are there in 46.0 grams of Na?
(46.0 grams Na) (1 mol Na)/(23.0 grams Na) (6.02 x 1023 atoms Na)/(1 mol Na) = 1.204 x 1024 atoms Na
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