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# Calculating the Resulting Pressure Inside a Chamber

CHEM-@D1G4I

If $3.5\text{ moles}$ of ${O}_{2}(g)$ and $2.5\text{ moles}$ of ${N}_{2}(g)$ occupy a chamber of fixed volume with a pressure of $5.0\text{ atm}$, calculate the resulting pressure if the ${O}_{2}(g)$ is completely removed by a solid oxygen adsorber of negligible volume.

A

$2.5\text{ atm}$

B

$2.1\text{ atm}$

C

$3.6\text{ atm}$

D

$5.0\text{ atm}$