as a step O3 0.020 mol to gr
Molar mass:Atomic mass O = 16.0 a.m.uO₃ = 16.0 x 3 => 48.0 g/molTherefore:1 mole O₃ --------------- 48.0 g0.020 mole O₃ ---------- ??0.020 x 48.0 / 1 =0.96 / 1 => 0.96 g hope this helps!
