Question

how many moles are in 15g of lithium

Answer 1

Answer:

we can conclude that there are 17.28×1023 moles in 15 grams of lithium.

Answer 2

Answer:

$\frac{15}{7}$  or, ≈ 2.14

Explanation:

According to the molecular weight,

        In 7g of lithium there is 1 mole lithium

∴ There will be = $\frac{15}{7}$ ≈ 2.14 moles present in 15g of lithium.