When 1 g of urea (MW = 60) is diluted to 100 ml of water, what is the osmotic pressure of the solution (assume T = 300 K, R = 0.0821 L atm K-1 mol-1 ). What is the osmotic pressure of the same concentration of NaCl, assuming complete dissociation of the salt?

Which statement best describes the oxidation numbers of the atoms found in magnesium chloride? a. magnesium has a 2- oxidation number and chlorine has a 1+ oxidation number. b. magnesium has a 2- oxidation number and chlorine has a 2+ oxidation number. c. magnesium has a 2+ oxidation number and chlorine has a 1- oxidation number. d. magnesium has a 1+ oxidation number and chlorine has a 1- oxidation number.

The table lists pressure and volume values for a particular gas. which is the best estimate for the value of v at p = 7.0 × 103 pascals?

When electrolyzing copper (ll) chloride, what reaction takes place at the anode? what reaction takes place at the cathode?