Calcium Carbonate (100 $\to$ CaO(s)+ CO₂(g)
What Pressure of CO₂ Gas Will Form in \to

Calcium carbonate (100.1 g/mol) decomposes according to the following reaction: CaCO₃(s) $\to$ CaO(s) + CO₂(g)
What pressure of CO₂ gas will form in a 25.0 mL jar containing 5.00 g CaCO₃ at 300 K if 0.00500% of the solid decomposes?

A) 0.246 atm
B) 2.46 atm
C) 1.00 atm
D) 2.46 $\times$ 10³ atm
E) 2.46 $\times$ 10^-3 atm