How many moles of lithium are in 15 atoms of lithium?

1 Answer
Feb 15, 2018

Answer:

Here the mole concept is used.

Explanation:

Since,

#"atoms" = "moles" xx "Avagadro's no."#

#15 = "moles" x× 6.022 xx 10^24"atoms/mol"#

which implies

#"15 atoms"/(6.022 × 10^24 "atoms/mol") = "moles"#

So

# 2.5 x× 10^(-24) = "moles of lithium"#