1.

12.022 x 10²² number of neon atoms (Ne-20u )​

Answer»

Explanation:

1 MOLE of any substance CONTAINS 6.02×10

23

atoms. Thus, 4.6×10

22

atoms corresponds to 0.0764 moles.

0.0764 moles weighs 13.8 G. Thus, 1 mole will WEIGH 180 g.

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