Question

Calculate the number of moles of 360 gms of $H_{2}O$.

• A. 18.066*10²³
• B. 9.033×10²³
• C. 6.022*10²³
• D. 7.55*10²³

Answer 1

The correct option is A

18.066*10²³

The chemical formula of water is $H_{2}O$.
Number of moles of $H_{2}O=\frac{weight}{molecularweight}$
$=\frac{360}{18}$
20