Chemistry, asked by vandanapatel965, 4 months ago

calculate the number of atoms in 0.4 mole of sodium. (Atomic mass : Na = 23u )

Answers

Answered by kundanconcepts800

15

Answer:

0.4×6.022×10^23 = 2.4×10^23

Explanation:

1mole contains 6.022×10^23 atoms

Answered by jaintanuj777

3

Explanation:

0.4×6.022×10rase to power 23

=2.4088×10 rase to power 23

=24088×10 rase to power 19g

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