Pr Nd Ac Th Pa U Np Pu "Am "Cm "BK How many atoms are in...

Question

Question

science chemistry

Answer 1

Answer #1

9.60 g Ge = mass / molar mass = 9.60 g / 72.61 g / mole = 0.1322 mole.

1 mole = 6.023 * 10^23

thus

number of atoms = 0.1322 * 6.023 * 10^23 = 7.97 * 10^22 atoms

answer is 7.97 * 10^22 atoms.

Answer 2

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