16 Introduction to Molarity

The ___ is the thing being dissolved

• solute
• solvent

True or False? The higher the concentration of a solution the less solutes it has in it.

• True
• False

Tags

NGSS.HS-PS1-5

Which sweet tea would you expect to taste the sweetest?

• 1M
• 3M
• 3.1M
• 2.5M

How many L are in 45 mL of a solution?

• 450
• 45000
• 4.5
• 0.045

Molarity is measured in

• moles per kg
• mols per L
• moles per kJ
• moles per mL

What is the molarity of 3 mole of hydrochloic acid in 3 L of water. 

• 3
• 1
• 6
• 9

Calculate the molarity of the following solution:  1.0 mole of KCl in 750.0 mL of solution.

• 0.750 M
• 99 M
• 1.3 M
• 2.0 M

What is the molarity of a solution made by adding 1.565 moles of PbNO₃ to 500 mL?

• 300. M
• 31.3 M
• 3.13 M
• 1.56 M

Tags

NGSS.HS-PS1-7

Find the molarity of 186.55 g of sucrose, C₁₂H₂₂O₁₁ (MM: 1 mol= 342 g) in 250 mL of water.

• 2.18 M

• 0.746 M

• 1.18 M

• 0.545 M

What is the molarity of 4 g of NaCl (MM: 1mol = 58.45g) in 3,800 mL of solution?

• 0.018 M

• 0.0011 M

• 1.052 M

• 0.062 M