How many Li atoms are in 5.8 moles of Li?

Dec 9, 2016

$5.8 \times {N}_{A}$, where ${N}_{A} = \text{Avogadro's Number, } 6.022 \times {10}^{23} \cdot m o {l}^{-} 1$

Explanation:

And 5.8*molxx6.022xx10^23*mol^-1=??

What is the mass of this quantity of lithium atoms? Hint, 1 mole has a mass of $6.94 \cdot g$.

Dec 9, 2016

$3.49 \cdot {10}^{24}$ atoms Li

Consider: