Answer:
Ratio of 125 mL to 1 liter is 1:8.
Explanation:
In order to find the ratio of 125 mL to 1 liter, express both quantities in the same units (either both in milliliters or both in liters) before calculating the ratio.
Since 1 liter is equal to 1000 milliliters, convert the liter to milliliters:

Finding the ratio:

Where Quantity 1 is 125 mL and Quantity 2 is 1000 mL (1 liter).
Substituting value

So, the ratio of 125 mL to 1 liter is 1:8.