Question

How many grams of ammonium nitrate nedd to be added to 500g of water so that the freezing point becomes -8.3 °C?

Answer 1

-8.3=-.52*molesammonuimNO3/.5

gramsNH4NO3=molmass*8.3/.52*.5
look up the formula mass of ammonium nitrate, and solve.

Answer 2

Can you please give me the formula