Question

How many moles are there in 0.23g of Na​

Answer 1

$\large{\boxed{\sf Mole=\dfrac{Weight}{Molecular\: weight}}}$

Molecular Weight of Na = 23 amu

$\implies{\sf Mole=\dfrac{0.23}{23}}$

$\implies{\sf Mole=0.01 }$

Moles of Na is 0.01