How many atoms are in a sample of 175 grams of sodium (Na)? The answer needs to be a x 10^b

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asked Dec 21, 2017 133k views

1 Answer

Amir Beygi · Answer 1 · 2017-12-28T14:59:12+0000

Atomic mass Sodium ( Na ) = 22.98 u.m.a

22.98 g ----------------- 6.02x10²³ atoms
175 g ------------------- ?? atoms

175 x ( 6.02x10²³) / 22.98 =

4.58x10²⁴ atoms of Na

hope this helps!

How many atoms are in a sample of 175 grams of sodium (Na)? The answer needs to be a x 10^b

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