Which statement describes KCl(aq)? iRespond Question F Multiple Choice A.) K+ is the solute and Cl- is the solvent B.) Cl- is the solute and K+ is the solvent C.) KCl is the solute and water is the solvent D.) Water is the solute and KCl is the solvent E.)

At STP, which of these substances is most soluble in H2O? Multiple Choice iRespond Question Water is polar like dissolves like A.) CCl4 C.) HCl asymmetric polar symmetric nonpolar B.) CO2 D.) N2 symmetric nonpolar symmetric nonpolar E.)

The solubility of KClO3(s) in water increases as the iRespond Question Multiple Choice Solids are more soluble at higher temperatures, which is why you use hot water when washing dishes A.) temperature of the solution increases B.) temperature of the solution decreases C.) pressure on the solution increases D.) pressure on the solution decreases E.) Pressure does not effect the solubility of solids

As the pressure on a gas confined above a liquid increases, the solubility of the gas in the liquid iRespond Question F Multiple Choice A.) decreases B.) increases C.) remains the same D.) Increasing pressure makes gases more soluble, just like putting a cap on a bottle of soda keeps is carbonated longer E.)

Hexane (C6H14) and water do not form a solution. Which statement explains this phenomenon? iRespond Question F Multiple Choice A.) Hexane is polar and water is nonpolar. B.) Hexane is ionic and water is polar. C.) Hexane is nonpolar and water is polar. D.) Hexane is nonpolar and water is ionic. E.)

Which compound is soluble in water? iRespond Question F Multiple Choice A.) barium phosphate B.) calcium sulfate C.) silver iodide D.) sodium perchlorate E.)

Which ion, when combined with chloride ions, Cl-, forms an insoluble substance in water? iRespond Question F Multiple Choice A.) Fe+2 B.) Mg+2 C.) Pb+2 D.) Zn+2 E.)

Which of the following compounds is least soluble in water? iRespond Question F Multiple Choice A.) copper (II) chloride B.) aluminum acetate C.) iron (III) hydroxide D.) potassium sulfate E.)

iRespond Question Multiple Choice F Which substance forms an unsaturated solution when 80 grams of the substance is dissolved in 100g of H2O at 10°C? A.) KI US Below B.) KNO3 SS Above C.) NaNO3 S On line D.) NaCl SS Above E.)

Which compound is least soluble in 100 grams of water at 40oC? Multiple Choice iRespond Question Lowest line, least solute A.) SO2 B.) NaCl C.) KClO3 D.) NH4Cl E.)

iRespond Question Multiple Choice F 100 grams of water is saturated with NH4Cl at 50oC. If the temp is lowered to 10oC, how much NH4Cl will precipitate? 51g - 34g A.) 5.0 g B.) 17 g C.) 30. g E.) D.) 50. g

What is the total mass of solute in 1000 What is the total mass of solute in 1000. grams of a solution having a concentration of 5 parts per million? Multiple Choice F iRespond Question A.) 0.005 g 5ppm = X x 1,000,000 1000g B.) 0.05 g C.) 0.5 g D.) 5 g E.)

Which solution is the most concentrated? Multiple Choice iRespond Question F A.) 1 mole of solute dissolved in 1 liter of solution 1mol/1L = 1M B.) 2 moles of solute dissolved in 3 liters of solution 2mol/3L = 0.67M C.) 6 moles of solute dissolved in 4 liters of solution 6mol/4L = 1.5M D.) 4 moles of solute dissolved in 8 liters of solution E.) 4mol/8L = 0.5M

What is the total number of moles of solute in 2. 0 liters of 3 What is the total number of moles of solute in 2.0 liters of 3.0 M NaOH? Multiple Choice F iRespond Question A.) 1.0 mole 3.0M = X 2L B.) 2.0 moles C.) 3.0 moles D.) 6.0 moles E.)

What is the molarity of a solution that contains 40. grams of NaOH in 0.50 liter of solution? Multiple Choice iRespond Question A.) 1.0 M 40g x 1mol = 1mol 40g B.) 2.0 M C.) 0.50 M X = 1mol 0.5L D.) 0.25 M E.)

What is the total number of grams of NaI(s) needed to make 1 What is the total number of grams of NaI(s) needed to make 1.0 liter of a 0.010 M solution? F Multiple Choice iRespond Question A.) 0.015 0.010 M = X 1L B.) 0.15 C.) 1.5 0.010mol x 150g = 1mol D.) 15 E.)

A student wants to prepare a 1.0-liter solution of a specific molarity. The student determines that the mass of the solute needs to be 30. grams. What is the proper procedure to follow? iRespond Question F Multiple Choice A.) Add 30. g of solute to 1.0 L of solvent. B.) Add 30. g of solute to 970. mL of solvent to make 1.0 L of solution. C.) Add 1000. g of solvent to 30. g of solute. D.) Add enough solvent to 30. g of solute to make 1.0 L of solution. E.)

How many milliliters of 12 How many milliliters of 12.0 M HCl(aq) must be diluted with water to make exactly 500. mL of 3.00 M hydrochloric acid? Multiple Choice F iRespond Question A.) 100. mL (12.0M)V = (3.00M)(500mL) B.) 125. mL C.) 200. mL D.) 250. mL E.)

F Multiple Choice iRespond Question A 20.-milliliter sample of 0.60 M HCl is diluted with water to a volume of 40. milliliters. What is the new concentration of the solution? A.) 0.15 M (0.6M)(20mL) = M(40mL) B.) 0.60 M C.) 0.30 M D.) 1.2 M E.)

At standard pressure when NaCl is added to water, the solution will have a iRespond Question F Multiple Choice A.) higher freezing point and a lower boiling point than water B.) higher freezing point and a higher boiling point than water C.) lower freezing point and higher boiling point than water D.) lower freezing point and a lower boiling point than water E.)