How many particles of oxygen gas are in 22.0 grams of oxygen ?

Question

asked Oct 16, 2023 223k views

1 Answer

Yuvika · Answer 1 · 2023-10-21T19:29:42+0000

Moles of oxygen = 22g / 32 (Mr of O2)

Moles of oxygen = 0.7 moles (1 dp)

Avogadro's constant = 6.02×10^23 particles per mole

0.7 moles×(6.02×10^23) = Answer

This is assuming it wants O2, if it wants pure oxygen then replace 32 with 16.