Chemistry Molarity

If you dilute 100 mL of a 2 M solution to 500 mL, what is the new molarity?

• 0.4 M

• 3 M

• 0.8 M

• 1.5 M

What is the molarity of a solution made by dissolving 10 grams of glucose (C6H12O6) in enough water to make 500 mL of solution?

• 0.250 M

• 0.0224 M

• 0.500 M

• 0.1112 M

How many moles are in 250 mL of a 0.1 M solution?

• 0.25 moles

• 0.0025 moles

• 0.5 moles

• 0.025 moles

What is the molarity of a solution made by dissolving 15 grams of KCl in enough water to make 500 mL of solution?

• 0.150 M

• 0.300 M

• 0.450 M

• 0.600 M

If you dilute 50 mL of a 4 M solution to 200 mL, what is the new molarity?

• 0.5 M

• 1 M

• 2 M

• 4 M

Tags

NGSS.HS-PS1-7

How many moles are in 18 grams of water (H2O)?

• 1 mole

• 3 moles

• 0.5 moles

• 2 moles

What volume of a 0.4 M solution can be made using 2 moles of solute?

• 2 L

• 4 L

• 3 L

• 5 L

What is the molarity of a solution made by dissolving 20 grams of NaCl in enough water to make 1 liter of solution?

• 0.342 M

• 0.513 M

• 0.684 M

• 0.855 M

If you have 250 mL of a 3 M solution, how many moles of solute are present?

• 0.75 moles

• 1.5 moles

• 0.25 moles

• 0.5 moles

What is the final molarity when 100 mL of a 6 M solution is diluted to 300 mL?

• 1 M

• 2 M

• 3 M

• 4 M