Question

what mass of oxygen combines with 2.00 moles of magnesium

Answer 1

Answer:

32.0 g O2

Explanation:

$2.00 \: mol \: mg \: x \frac{1 \: mol \: o2}{2 \: mol \: mg} x \: \frac{32.0 \: g \: o2}{1 \: mol \: o2} = 32.0 \: g \: o2$

I'm not sure if I understood your question correctly so your better off not using my answer lol