Lithium chloride has a solubility of 55 g of LiCl in 100 g of $\mathrm{H_2O}$ at 25 $\degree$C. Determine if adding 75 g of LiCl to 150. g of $\mathrm{H_2O}$ mixtures forms an unsaturated or saturated solution at 25 $\degree$C.

Potassium nitrate has a solubility of 32 g of $\mathrm{KNO_3}$ in 100 g of $\mathrm{H_2O}$ at 20 $\degree$C. Determine if adding 32 g of $\mathrm{KNO_3}$ to 200. g of $\mathrm{H_2O}$ forms an unsaturated or saturated solution at 20 $\degree$C.

What products would result after hydrolysis from reaction of the enamine prepared from cyclopentanone and pyrrolidine with the following $\alpha$, $\beta$-unsaturated acceptors? (a) H$_2$C=CHCOOEt (b) H$_2$C=CHCHO (c) CH$_3$CH=CHCOCH$_3$

Which of the following pictures best represents an unsaturated solution of sodium chloride, $\mathrm{NaCl}$ ? In these pictures, the dark gray spheres represent $\mathrm{Na}^{+}$ions and the green spheres represent chloride ions. For clarity, water molecules are not shown.

The solubility of rock salt is $40$g/$100$ g water at $30$ $\degree$C.If a solution contains $10$ g of rock salt in $25$ g of water at $30$ $\degree$C, is the solution saturated, unsaturated, or supersaturated?

Complete the table about lipids.\

Kind of Lipid	Description
	Each carbon atom in a lipid's fatty acid chain is joined to another carbon atom by a single bond.
Unsaturated
	A lipid's fatty acids contain more than one double bond.

Potassium chloride has a solubility of 43 g of $\mathrm{KCl}$ in 100 g of $\mathrm{H_2O}$ at 50 $\dedgree$C. Determine if adding 86 g of $\mathrm{KCl}$ to 150. g of $\mathrm{H_2O}$ forms an unsaturated or saturated solution at 50 $\dedgree$C.

Potassium fluoride has a solubility of 92 g of KF in 100 g of $\mathrm{H_2O}$ at 18 $\degree$C. Determine if adding 145 g of KF to 150. g of $\mathrm{H_2O}$ mixtures forms an unsaturated or saturated solution at 18$\degree$C.

A solution contains 26.5 g NaCl in 75.0 g H$_2$O at 20$\degree$C. Determine if the solution is unsaturated, saturated, or supersaturated. (The solubility of NaCl at 20$\degree$C is 36.0 g/100 g H$_2$O.)

Identify which of the following statements applies to tristearin: (a) It is a solid at room temperature. (b) It is unreactive toward molecular hydrogen in the presence of Ni. (c) It undergoes hydrolysis to produce unsaturated fatty acids. (d) It is a complex lipid. (e) It is a wax. (f) It has a phosphate group.

Which of the following chemical reactions could be used to distinguish between a polyunsaturated vegetable oil and a petroleum oil containing a mixture of saturated and unsaturated hydrocarbons? Explain your reasoning. (a) addition of bromine in $\mathrm{CCl}_{4}$ (b) hydrogenation (c) saponification (d) ozonolysis

Which of the following statements applies to triolein? (a) It is a solid at room temperature. (b) It is unreactive toward molecular hydrogen in the presence of Ni. (c) It undergoes hydrolysis to produce unsaturated fatty acids. (d) It is a complex lipid. (e) It is a wax. (f) It has a phosphate group.

Lithium chloride has a solubility of 55 g of LiCl in 100 g of $\mathrm{H_2O}$ at 25 $\degree$C. Determine if adding 10 g of LiCl to 15 g of $\mathrm{H_2O}$ mixtures forms an unsaturated or saturated solution at 25 $\degree$C.

Cis versus trans. Why might most unsaturated fatty acids in phospholipids be in the cis rather than the trans conformation? D raw the structure of a 16-carbon fatty acid as Ca) saturated. (b) trans monounsaturated. and (c) cis monounsaturated.