Question

What is the active mass of 5.6 litres of O2 at stp

Answer 1

Answer:

8 grams

Explanation:

Moles=Volume/22.4.

Moles= 5.6/22.4=1/4moles.

mass of O2= moles × Mol. Wt.

Mass( in grams) = 1/4 × 32.

I have taken 32 as oxygen is in a combined state O2, so 16×2=32.

I get, mass =8 grams.