Question

2. Quartos mols existem em 125 g de cloreto de sódio (NaCl)? Dados Massa molecular = 58,44g/mol
​

Answer 1

$\boxed{\begin{array}{l}\sf58,44~g\longrightarrow1~mol\\\sf125~g\longrightarrow x\\\sf 58,44x=125\\\sf x=\dfrac{125}{58,44}\\\sf x=2,13~mols\end{array}}$