Answer
2.84 L
Work Step by Step
Density = 0.879 g/$cm^{3}$
Mass = 2.50 kg = $2.50\times10^{3}g$
Volume = $\frac{Mass}{Density}$ = $ \frac{2.50\times10^{3}g}{0.879g/cm^{3}}$ = $2840 cm^{3}$
Converting 2840 $cm^{3}$ to liters,
$2840 cm^{3} = 2840 cm^{3}\times\frac{1L}{1000cm^{3}}$ = 2.84 L