Answer
$0.046\text{ L}$
Work Step by Step
$0.050\text{ mL}*\frac{1.149\text{ g}}{1\text{ mL}}*\frac{1\text{ mol}}{31.9988\text{ grams}}=0.0018\text{ mols}$
$PV=nRT$
$1.0*V=0.0018*0.08206*310$
$V=0.046\text{ L}$
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