1- What is molality of a 1.22 M solution of sugar (C12H22O11)? The density of th
ID: 781796 • Letter: 1
Question
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 27Explanation / Answer
1)B
6)d
7)b
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