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1- What is molality of a 1.22 M solution of sugar (C12H22O11)? The density of the solution is 1.12 grams/ml 2- Which of the following in each pair with be more soluble in water? (A) C6H6 or C6H12O6 (B) HCl or CH3CH2Cl (C) N2 or He 3- Calculate the boiling and freezing point of a 3.20 M aqueous solution of MgCl2(aq) Q5. 11.5 g of NaCl is dissolved in 1.00 kg of water. What is the molality, Molarity, mass percent and mole fraction of NaCl in this solution. Assume that the density of the resulting solution is 1.03 g/ml Q6. Indicate the type of solute-solvent interactions operating in each of the following solutions. Rank them in the order from weakest to strongest interactions a) Iodine(I2) in CHCl3 b) Ammonia (NH3) in water c) MgCl2 in water d) HCl in Acetonitrile (CH3CN) Q7. A solution was prepared by dissolving 0.400 g of a polypeptide (a non-electrolyte) in water to form 1.00 L solution. The solution has an osmotic pressure of 3.74 torr at 27 ºC. What is the molar mass of the polypeptide? Q13. A 0.100 M solution of an aqueous ionic compound has as osmotic pressure of 8.3 atm at 25 °C. Calculate the van't Hoff factor for the ionic compound. Q14. Ethylene glycol (C2H6O2) is used in many anti-freeze mixtures. How many grams of Ethylene glycol must be added to 1.00 kg of water so that the resulting solution freezes at
Show all the steps in the mechanism for the following reaction, When benzene is mixed with deuterated sulfuric acid, deuterium is slowly incorporated onto the ring. Show the mechanism for this reaction and explain how this relates the sulfonation of ..
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