How many atoms are in 149 grams of calcium?

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asked Jul 20, 2018 154k views

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How many atoms are in 149 grams of calcium?

Chemistry
high-school

Steve Jessop asked

by Steve Jessop

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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

Jancy answered Jul 27, 2018

by Jancy

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