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How many atoms are in 55.2 g Li

Sagot :

Answer:

4.79 x10^24 atoms

Explanation:

55.2g/6.94g x (6.02 x 10^23) = 4.79 x10^24 Li atoms

First, you take the 55.2 g of Li and divide it by its molar mass. (Molar mass of Li is 6.94 g). Then you multiply it by Avogadro's number (6.02 x10^23) to get your answer.