Answer:
Step-by-step explanation:
1 liter = 1000 ml
0.1 liter = 0.1*1000 = 100.0 = 100 ml
[tex]\frac{0.1 litre}{500ml} = \frac{100}{500}\\\\=\frac{1}{5}[/tex]
0.1 liter : 500 ml = 1 : 5
