Exploring Molarity and Solution Concentration

What does molarity measure in a solution?

• The temperature of the solution

• The weight of the solute

• The concentration of the solution

• The volume of the solvent

What unit is used to represent molarity?

• kg/m3

• mol/L

• M

• g/L

How do you calculate molarity?

• Divide the mass of the solute by the volume of the solution

• Add the moles of solute to the liters of solution

• Divide the moles of solute by the liters of solution

• Multiply the moles of solute by the liters of solution

What does the square bracket notation in molarity calculations signify?

• The volume of the solution

• The concentration of the solution

• The temperature of the solution

• The pressure of the solution

What is the molarity of a solution if 45.6 g of NaCl is dissolved to make 500 mL of solution?

• 1.56 M

• 0.78 M

• 2.34 M

• 3.12 M

How do you convert milliliters to liters in the context of calculating molarity?

• Divide by 100

• Multiply by 100

• Divide by 1,000

• Multiply by 1,000

What is the molar mass of sodium chloride (NaCl)?

• 35.5 g/mol

• 23 g/mol

• 45.6 g/mol

• 58.5 g/mol

When sodium chloride dissolves in water, what ions are produced?

• Sodium and magnesium ions

• Chlorine and potassium ions

• Sodium and chlorine ions

• Magnesium and chlorine ions

If the molarity of NaCl in a solution is 1 M, what is the molarity of ions in the solution?

• 1 M

• 1.5 M

• 0.5 M

• 2 M

How many ions are produced from the dissolution of 1 mole of NaCl?

• 1 mole

• 2 moles

• 0.5 moles

• 3 moles