Ask a New Question

A solution containing 4.5 grams of non-electrolyte dissolved in 125 grams of water freezes at -0.372 degrees. Calculate the molar weight of the solute.

1 answer

delta T = Kf*molality
Solve for molality.

m = moles/kg solvent
solve for moles.

moles = grams/molar mass]
solve for molar mass.

Similar Questions

Hugh dissolved 2 grams of sugar in 500 grams of water. What was the mass of the solution formed?a) 1,000 grams b) 502 grams c)
1. 1 answer
Urea, (NH2)2CO, is dissolved in 73.5 g of water. The solution freezes at -0.095°C. How many grams of urea were dissolved to
1. 2 answers
Stuart measures 10 grams of water into a pan and freezes it. A day later he takes it out of the freezer and is surprised that it
1. 1 answer
Stuart measures 10 grams of water into a pan and freezes it. A day later he takes it out of the freezer and is surprised that it
1. 1 answer

more similar questions