Molarity

What is the molarity of a solution containing 4 moles of KCl in 2.5 L of solution?

• 1.6 M

• 0.63 M

• 10 M

• 2.6 M

Tags

NGSS.HS-PS1-5

What is the formula for molarity?

• moles/grams

• moles/kilograms

• moles/milliliters

• moles/liters

How many moles of NaCl are needed to make 5.25 L of a 0.25 M solution?

• 1.3 mol

• 21 mol

• 0.048 mol

What is the definition of molarity?

• The mass of a substance in grams

• The number of particles in a substance

• The number of moles of solute per liter of solution

• The volume of solvent in liters

Tags

NGSS.HS-PS1-5

What is the molarity of a solution that contains 5 moles of solute in 2 liters of solution?

• 2.5 M

• 5 M

• 10 M

• 0.4 M

How do you calculate the molarity of a solution?

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

• Divide the number of moles of solute by the volume of the solution in liters

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

• Multiply the number of moles of solute by the volume of the solvent

Calculate the molarity of a 0.25 mol in 250mL solution

Mathematical Equivalence

ON

What is the molarity of a solution made by adding 1.565 moles of PbNO₃ to 0.5 L?

• 300. M

• 31.3 M

• 3.13 M

• 1.56 M

What volume is needed to make a 2.45 M solution of KCl using 0.50 mol of KCl?

• 4.9 L

• 0.20 L

• 1.2 L

How many grams of KCl would be dissolved in 5.50 L of a 0.250 M solution of KCl? *molar mass of KCl = 74.55 g/mol*

• 1.48 g

• 103 g

• 1640 g

• 3.39 g