What is the difference between a 10 % ( v / v ) methanol $(\mathrm{CH}_3 \mathrm{OH})$ solution and a $10 % ( m / m ) methanol solution?

How many grams of glucose are needed to prepare $400\ \mathrm{mL}$ of a $2.0\ \%(\mathrm{m/v})$ glucose solution?

A) $800\ \mathrm{g}$

B) $0.0050\ \mathrm{g}$

C) $8.0\ \mathrm{g}$

D) $2.0\ \mathrm{g}$

E) $200.8\ \mathrm{g}$

Explain the observation: A warm can of soda has more spray when opened than a cold one.

Explain the observation: Champagne in a warm room goes flat.

Explain the following observations:

a. More sugar dissolves in hot tea than in iced tea.

b. Champagne in a warm room goes flat.

c. A warm can of soda has more spray when opened than a cold one.

Which of the given will conduct electricity.

A) NaCl solution

B) Solid NaCl

C) Solid sugar

D) Sugar solution

What is a conductor of electricity?

Water is a polar solvent and hexane is a nonpolar solvent. In which solvent is the more likely to be soluble? benzene, nonpolar

Identify the solute(s) and solvent in each of the following solutions:

(a) salt water

(b) carbonated water

(c) a $3 \%$ aqueous solution of hydrogen peroxide

Explain the observation: more sugar dissolves in hot tea than in iced tea.

Explain the following observations: a. More sugar dissolves in hot tea than in iced tea. b. Champagne in a warm room goes flat. c. A warm can of soda has more spray when opened than a cold one.

Predict whether each of the following compounds is soluble in water: AgI

Using the above table, determine whether each of the following solutions will be saturated or unsaturated at $50^{\circ} \mathrm{C}$ :

a. Adding 25 g of KCl to 50 g of $\mathrm{H}_2 \mathrm{O}$

b. Adding 150 g of $\mathrm{NaNO}_3$ to 75 g of $\mathrm{H}_2 \mathrm{O}$

c. Adding 80. g of sugar to 25 g of $\mathrm{H}_2 \mathrm{O}$

After dialysis, the level of magnesium in Michelle's blood was $0.0026$ $g/dL$. What is this value in milliequivalents per liter?