Question

The amount of oxygen in $3.6$ moles of water is :

• A. 115.2 g
• B. 57.6 g
• C. 28.8 g
• D. 18.4 g

Answer 1

Answer: (B)

57.6 g

Answer 2

$3.6$ moles of $H_{2} O =3.6$ moles of $O$
$=3.6\times16\, gm$ of oxygen

$=57.6\, gm$