How many atoms are in 149 grams of calcium?

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asked Jul 20, 2018 154k views

1 Answer

Jancy · Answer 1 · 2018-07-27T01:36:00+0000

Atomic mass Calcium => 40.078 u.m.a

40.078 g -------------------- 6.02x10²³ atoms

149 g ------------------------ ?? atoms

149 x (6.02x10²³) / 40.078 => 2.23x10²⁴ atoms of Ca

HOPE THIS HELPS :3

How many atoms are in 149 grams of calcium?

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