Chemistry 1516R Problem Set ich member of each of the following pairs is more soluble in water and why? al CH, or NH, bl CH, (CH,),CH, or CH,(CH),CH,OH Consider glucose, HOCH,(CHOH),CHO, and biphenyl, CH, CH al Identify which of the above compounds is more soluble in water and explain your answer. b) Identify which of the above compounds is more soluble in benzene, CH, and explain your cl MgCl, or CCI CH,CH,OH or CH,CH,SH 1 3 answer. 14 Calculate the mole fraction of C,H,O, in a solution containing 1.00 mol CH,O, and 1.80 mol H,O. Calculate the molality of each of the following solutions: al 0.367 mol NH,Cl in 4.85 kg water b) 22.9 gNH,Cl in 812 g water c 1.80 mol KCI in 16.0 mol water. How many grams of S, must be dissolved in 100.0 g of C,H, to make a 0.16 mola solution? If t he mole fraction for NH Cl in an aqueous solution is 0.0823, calculate the molality of the solution. Calculate the mole fraction of NH,Cl in a 3.76 m aqueous solution of NH,C A solution consisting of 20.3 g of methanol, CH OH, and 52.2 g of water has a density of0.955/ml. 18 For this solution, calculate each of the following: al Molality of methanol. bl Molarity of methanol.

Question

If you know the mole fraction of a solution, how do you calculate the molality? Question 17.

Chemistry 1516R Problem Set
ich member of each of the following pairs is more soluble in water and why?
al CH, or NH,
bl CH, (CH,),CH, or CH,(CH),CH,OH
Consider glucose, HOCH,(CHOH),CHO, and biphenyl, CH, CH
al Identify which of the above compounds is more soluble in water and explain your answer.
b) Identify which of the above compounds is more soluble in benzene, CH, and explain your
cl MgCl, or CCI
CH,CH,OH or CH,CH,SH
1 3
answer.
14 Calculate the mole fraction of C,H,O, in a solution containing 1.00 mol CH,O, and 1.80 mol
H,O.
Calculate the molality of each of the following solutions:
al 0.367 mol NH,Cl in 4.85 kg water
b) 22.9 gNH,Cl in 812 g water
c 1.80 mol KCI in 16.0 mol water.
How many grams of S, must be dissolved in 100.0 g of C,H, to make a 0.16 mola solution?
If t
he mole fraction for NH Cl in an aqueous solution is 0.0823, calculate the molality of
the solution.
Calculate the mole fraction of NH,Cl in a 3.76 m aqueous solution of NH,C
A solution consisting of 20.3 g of methanol, CH OH, and 52.2 g of water has a density of0.955/ml.
18
For this solution, calculate each of the following:
al Molality of methanol.
bl Molarity of methanol.
</ Wr_% ofmethanol.
d If the above solution is contaminated with 0.29 mg of NiP, calculate the concentration
expressed in ppm.
Consider a gas dissolved in water. How would changes in temperature and pressure affect th
solubility? Explain your answer.
20
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Transcribed Image Text

Chemistry 1516R Problem Set ich member of each of the following pairs is more soluble in water and why? al CH, or NH, bl CH, (CH,),CH, or CH,(CH),CH,OH Consider glucose, HOCH,(CHOH),CHO, and biphenyl, CH, CH al Identify which of the above compounds is more soluble in water and explain your answer. b) Identify which of the above compounds is more soluble in benzene, CH, and explain your cl MgCl, or CCI CH,CH,OH or CH,CH,SH 1 3 answer. 14 Calculate the mole fraction of C,H,O, in a solution containing 1.00 mol CH,O, and 1.80 mol H,O. Calculate the molality of each of the following solutions: al 0.367 mol NH,Cl in 4.85 kg water b) 22.9 gNH,Cl in 812 g water c 1.80 mol KCI in 16.0 mol water. How many grams of S, must be dissolved in 100.0 g of C,H, to make a 0.16 mola solution? If t he mole fraction for NH Cl in an aqueous solution is 0.0823, calculate the molality of the solution. Calculate the mole fraction of NH,Cl in a 3.76 m aqueous solution of NH,C A solution consisting of 20.3 g of methanol, CH OH, and 52.2 g of water has a density of0.955/ml. 18 For this solution, calculate each of the following: al Molality of methanol. bl Molarity of methanol. </ Wr_% ofmethanol. d If the above solution is contaminated with 0.29 mg of NiP, calculate the concentration expressed in ppm. Consider a gas dissolved in water. How would changes in temperature and pressure affect th solubility? Explain your answer. 20

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