Question

How many atoms are in 3.5 moles of arsenic atoms?
2.1 x 1024 atoms
7.5 x 10-atoms
5.8 x 10-24 atoms
1.7 x 1023 atoms

Answer 1

Answer:

2.107×10²⁴

Explanation:

no of moles=no of particles/Avogadro's number

3.5=X/6.02×10²³

by cross multiplication

3.5×6.02×10²³

=2.107 ×10²⁴