How many moles of mercury(Hg) are in 1.30 *10.7 atoms or mercury

Question

asked Jul 24, 2017 32.9k views

1 Answer

Alessionossa · Answer 1 · 2017-07-28T09:37:54+0000

1 mole Hg --------------- 6.02x10²³ atoms
?? moles Hg ------------ 1.30x10⁷ atoms

(1.30x10⁷) x 1 / 6.02x10²³ => 2.159x10⁻¹⁷ moles