Small Samples of Oxygen Gas Needed in the Laboratory Can $\mathrm { O } _ { 3 }$

Multiple Choice

Small samples of oxygen gas needed in the laboratory can be generated by any number of simple chemical reactions,such as 2 KCl $\mathrm { O } _ { 3 }$ (s) ? 2 KCl (s) + 3 $\mathrm { O } _ { 2 }$ (g)
What mass of oxygen (in grams) is produced when 122.6 g of KCl $\mathrm { O } _ { 3 }$ (formula mass = 122.6 amu) takes part in this reaction?

A) 32.00 grams
B) 48.00 grams
C) 96.00 grams
D) More information is needed.