Moles and Molarity

How many liters would you need to make a 1 M solution if you have 6 mol of Sodium Hydroxide? 

• 2
• 3
• 4
• 6 

What is the molarity of 20 g of NaCl (MM=58) in 3.8 L of solution?

• 0.091 M

• 0.0011 M

• 1.052 M

• 0.062 M

How many mols of solute are dissolved in 0.125 L of 5.00 M NaCl?

• 0.625 mol NaCl

• 625 mol NaCl

• 36.5 mol NaCl

• 0.04 mol NaCl

Find the molarity of 186.55 g of sucrose, C₁₂H₂₂O₁₁ (MM = 342) in 0.250 L of water.

• 2.18 M

• 0.746 M

• 1.18 M

• 0.545 M

How many moles of NaCl are present in a solution with a molarity of 8.59 M and a volume of 0.125 L?

• 1074 mol

• 0.069 mol

• 1.07 mol

• 62.7 mol

Which sweet tea would you expect to taste the sweetest?

• 1M
• 3M
• 3.1M
• 2.5M

Tags

NGSS.HS-PS1-5

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

• True
• False

How many grams of AgNO₃ (MM = 169.87) are needed to prepare 0.125M solution in 0.250 L of water?

• .03g

• 0.5g

• 5.3g

• 84.9g

What is the molarity of a solution made by diluting 26.5 mL of 6.00M HNO₃ to a volume of 0.250 L?

• 15.9 M

• 0.636 M

• 0.642 M

• 1.59 M

A 0.5 L stock solution of 10.0M HCl needs to be diluted to 4.0M. What will the volume need to be?

• 1.25 L

• 1.0 L

• 0.25 L

• 278 mL