Molality of solution =Moles of solute/Kg of solvent
Molality of solution=[weight of solute/grarm molecular weght of solvent]*[1/Kg of solvent]
03 Question (1 point) See page 497 What is the molality of a solution prepared by...
Question 7 2 pts Molality An anti-freeze solution is prepared by dissolving 25.5 g of ethylene glycol (C2H602) in 769.0 g water to make 775 mL of solution? Input numbers only, with correct number of significant figures. Do not use scientific notation. a) What is the molarity of the solution? Methylene glycol b) What is the molality of the solution? methylene glycol c) What is the density of the solution? g/mL Il Proctorio is sharing your screen. Stop sharing Hide
07 Question (1 point) e See page 690 (1 point) V 1st attempt i See Periodic Table D See Hint A solution is made by dissolving 0.06000 moles of Ba(OH)2 in enough water to make 770.0 mL of solution. What is the pH of the resulting solution?
What is the molality of ethylene glycol, C2H4(OH)2, in a solution prepared from 2.22 × 103 g of ethylene glycol and 2.00 × 103 g of water?
there's two questions :) Enter your answer in the provided box A solution is prepared by dissolving 396 g of sucrose (C12H2011) in 604 g of water. What is the vapor pressure of this solution at 30°C? (The vapor pressure of water is 31.8 mmHg at 30°C.) mmHg Be sure to answer all parts. How many liters of the antifreeze ethylene glycol (CH2(OH)CH (OH) would you add to a car radiator containing 5.75 L of water if the coldest winter...
15. What is the molality of a solution made from 1 gal of ethylene glycol (density 1.11 g/ml) and I gal of water (density 1.00 g/ml)? 4 pts 16. Determine the freezing point and boiling point for the aqueous solution in number 15 above. Water is the solvent. 4 pts
Question (2 points) See page 22 1st attempt See Periodic Table See Hint If all of the energy from burning 318.0 g of propane (A Hcomb.C3H8 --2220 kJ/mol) is used to heat water, how many liters of water can be heated from 20.0°C to 100.0°C? (Assume that the density of water is 1.00 g/ml) L of water < 07/11 D40 ENG 0 OF 11 QUESTIONS COMPLETED e here to search
Calculate the molality of a dextrose (mw = 180.16 g/mole) solution prepared by dissolving 52.8 g dextrose in 500 mL of water (density of the solution is 1.06).
Please explain. Thank you. (8) An antifreeze solution is prepared by mixing 719 mL of ethyl- ene glycol (C2H4O2(1), M = 62.07 g/mol, d = 1.11 g/mL, struc- H-0-ċ-ċ-0-H ture shown at right) and 200 mL of water (H2O(1), M = HH 18.02 g/mol, d = 1.00 g/mL). The density of the resulting anti- freeze solution is equal to 1.10 g/mL. (a) [8 points] Calculate the volume of antifreeze solution prepared. (Hint: The volume of antifreeze solution is NOT equal...
Determine the molality of a solution made by dissolving 0.134 moles of glucose in 471 mL of water. Assume the density of water is 1.00 g/mL. Determine the molality of a solution made by dissolving 28.1 g of CH3OH in 513 g of H20.
please help solve this problem will rate you 14) The cooling system of a car contains a total of 5.50 L of solution, prepared by adding 1.25 L of ethylene glycol (CH2(OH)CH(OH)] to 4.25 L of water. The density of ethylene glycol is 1.11 g/ml. Calculate the new freezing point of this solution. For water, the Kr= 1.86 °C/m.