Molarity and Dilution

Molarity is measured in

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

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

• 2
• 3
• 4
• 6 

Tags

NGSS.HS-PS1-7

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

How many moles are needed to make 2.5 L of a 3.8 M solution? 

• 9.5 mol
• 0.66 mol
• 1.5 mol
• 15 mol

Tags

NGSS.HS-PS1-7

What is the molarity of a solution which contains 22.41 grams of NaCl in 50.0 mL of solution?

• 0.488 M
• 7.67 mol
• 7.67 M
• 0.00767 M

Determine the molarity of 2.25 mole of sulfuric acid, H₂SO₄, dissolved in 725 mL of solution.

• 322.2 M
• 3.1 M
• 0.32 M
• 2.25 M

How many moles of NaCl are present in a solution with a molarity of 8.59M and 125 mL of solution?

• 1.07 gram
• 62.7 mol
• 1.07 mol
• 62.7 grams

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

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

Tags

NGSS.HS-PS1-7

How many mL of 10.8M HCll are required to make 100.0 mL of 3.00M acid?

• 27.8 mL
• 27.78 mL
• 2.8 mL
• 278 mL

Tags

NGSS.HS-PS1-7