If a substance has a volume of 100 mL100 \text{ mL}100 mL and a mass of 80 grams80 \text{ grams}80 grams, what is its density in kg/L\text{kg/L}kg/L?
0.8 kg/L0.8 \text{ kg/L}0.8 kg/L
800 kg/L800 \text{ kg/L}800 kg/L
8 kg/L8 \text{ kg/L}8 kg/L
0.08 kg/L0.08 \text{ kg/L}0.08 kg/L