Question

How much does a 45% solution of de-icing fluid lower freezing point of water?

Answer 1

Deicing Fluids. • Concentrate. • “55/45”. SAE AMS 1424 Propylene .... Figure 1 -Freezing Point of UCAR PG ADF ... Concentrate with 45 parts of water. 

Answer 2

It lowers the freezing point by 30 °C

Step-by-step explanation:

In the picture attached, the curve freezing point vs de-icing fluid concentration is shown. We can see that a 45% solution of de-icing fluid makes the freezing point of water -30 °C, that is, 30 °C below the pure water freezing point.