Moles of Sucrose = mass / molar mass = 3.55 / 342.3 = 1.037 * 10-2moles
Molarity of solution = number of moes / Volume in liters = 1.037 * 10-2/ 0.825 = 0.0126 M
Osmotic pressure = MRT, M is molarity,. R is gas constant and T is temperature in K\
= 0.0126 * 0.0821 * 295 = 0.305 atm
Calculate the smoke presure of a solution containing 3.55 g of sucros (CM,O., molermo 302.3 g/mol...
1) A solution containing 3.75 mg/100 ml of A (MW - 220 g/mol) has a transmittance of 39.6% in a 1.50 cm cell at 480 nm. Calculate (a) the molar absorptivity of A, and (b) the transmittance of a solution of A which is twice as concentrated as the solution described above.
10) a. Calculate the solubility in (mol/L) of CO2(g) inside a can containing 355 cm; of water at 25.00°C if the pressure of the CO2(g) inside the can is 2.50 bar. The density of water is 0.9970 (g/cm3) at 25.00°C. b. Now suppose you pop open the can in Flagstaff and the pressure above the solution is reduced to 0.779 bar. How many moles of CO2(g) will eventually be released from the solution into the atmosphere?
Question 2: An aqueous solution containing 4.23 g of an optically pure compound, (+)-Porgsareawesome (MW=213.4 g/mol) was diluted to 700.0 mL with water and placed in a polarimeter tube 15.0 cm long. The measured rotation was +90' at 25.0'C. a) On the answer sheet provided, set up the equation to give the compound's specific rotation - you do not need to do any actual math! Hint: Make sure to use proper units. Use the equation at left as your guide:...