Solutions and Molarity

A solution is a____

• homogenous mixture

• heterogenous mixture

Water is a polar solvent. Which type of solute is LEAST soluble in water

• Polar covalent compounds

• Ionic compounds

• Nonpolar covalent compounds

What should you do to increase the solubility of a solid solute?

• increase the pressure

• stir it faster

• Increase the temperature

• Decrease the temperature

Tags

NGSS.MS-PS1-4

What should you do to increase the solubility of a gas solute?

• Increase the pressure

• Decrease the pressure

• Increase the temperature

• Stir it faster

A solution that contains the maximum amount of solute is called a _____

• complete solution

• full solution

• finished solution

• saturated solution

Carbon has an atomic mass of 12. What is the mass of one mole of carbon

• 6 grams

• 12 grams

• 120 grams

• 1200000000 grams

One mole of oxygen has a mass of 16 grams. How much oxygen does one liter of 3 molar oxygen solution contain?

• 16 grams

• 32 grams

• 48 grams

• 100 grams

Hydrogen has an atomic mass of 1. Oxygen has an atomic mass of 16. What is the molar mass of water (H2O)

• 1 gram

• 16 grams

• 18 grams

• 14 grams

50 grams of sugar are dissolved in 2 liters of water. What is the concentration of sugar in the resulting solution?

• 50 grams/liter

• 25 grams/liter

• 100 grams/liter

• 75 grams/liter

Which type of solution contains more solute in a given volume of solvent?

• A concentrated solution

• A dilute solution