Post a New Question

Chemsitry

posted by on .

When 3.75 g of a nonelectrolyte solute is dissolved in 405 mL of water at 25 °C, the resulting solution exerts an osmotic pressure of 897 torr.

What is molarity?
I found molarity to be 0.048.

What is the number of moles of solute?
to find moles, I multiplied it by .405 and got an answer of 0.019 moles, however, that's incorrect. What did I do wrong? Please help? Thanks!

  • Chemsitry - ,

    M = mols/L or
    mols = M x L = 0.04826 x 0.405 = 0.019545
    I think you just reported too few significant figures in the answer. You are allowed three and you reported only two. Of course my answer has too many.

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question