Molarity and Dilution

What is the molality of a solution in which 6.0 moles of NaCl is dissolved in 1.5 Kg of water?

• 2.0 m

• 4.0M

• 135 m

• 4.0m

How many L are required to make 3.5 M hydrochloric acid using 1.1 moles? 

• 3.18 L
• 0.31 L
• 3.85 L
• 4.6 L

Tags

NGSS.HS-PS1-7

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

• 2
• 3
• 4
• 6 

Which equation is used to find molarity?

• Moles solute/L solution

• Moles solute/kg solution

• Moles solute/kg solvent

• Grams solute/L solution

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

• 3
• 1
• 6
• 9

What is the molarity of a solution made by diluting 26.5 mL of 6.00M HNO₃ to a volume of 250. mL?

• 15.9 M
• 0.636 M
• 0.642 M
• 1.59 M

How many milliliters of concentrated 18M H₂SO₄ is needed to prepare 250 mL of a 6.0 M solution?

• 83.3 mL
• 0.083 L
• 1500 mL
• 1.5 L

You have a 0.5 M MgSO₄ stock solution available.  Calculate the volume of the stock solution needed to make 2.0 L of 0.20 MgSO₄.

• 0.8 L
• 5 L 
• 0.1 L
• 0.5 L

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

• 0.750 M
• 99 M
• 1.3 M
• 2.0 M

How many mL of stock solution of 2M NaCl do you need to prepare 100 mL of 0.150M NaCl?

• 7.5 mL

• 15 mL

• 1333 mL

• 200 mL