Molarity

What is the final molarity when 200 mL of a 3 M solution is diluted to 600 mL?

• 0.5 M

• 1.0 M

• 1.5 M

• 2.0 M

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DOK Level 3: Strategic Thinking

How many moles of solute are present in 3 liters of a 4 M solution?

• 3 moles

• 4 moles

• 8 moles

• 12 moles

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DOK Level 3: Strategic Thinking

If you have 250 mL of a 0.8 M solution, how many moles of solute are present?

• 0.1 moles

• 0.2 moles

• 0.3 moles

• 0.4 moles

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DOK Level 3: Strategic Thinking

What volume of 1.5 M solution is needed to provide 0.75 moles of solute?

• 0.25 L

• 0.5 L

• 1.0 L

• 1.5 L

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DOK Level 3: Strategic Thinking

A solution is made by dissolving 20 grams of glucose (molar mass = 180.16 g/mol) in enough water to make 1 liter of solution. What is the molarity of the solution?

• 0.111 M

• 0.222 M

• 0.333 M

• 0.444 M

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DOK Level 3: Strategic Thinking

What is the molarity of a solution prepared by dissolving 15 grams of NaOH (molar mass = 40 g/mol) in 750 mL of solution?

• 0.5 M

• 1.0 M

• 1.5 M

• 2.0 M

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DOK Level 3: Strategic Thinking

If you dilute 100 mL of a 5 M solution to a final volume of 1 liter, what will be the molarity of the diluted solution?

• 0.1 M

• 0.5 M

• 1.0 M

• 2.0 M

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DOK Level 3: Strategic Thinking

• 0.127 M

• 0.255 M

• 0.382 M

• 0.510 M

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DOK Level 3: Strategic Thinking

Molarity is defined as ______ per _____.

• grams solvent, mols solute

• liters solution, mols solute

• mols of solvent, liters solute

• mols solute, liters solvent

Molarity is measured in

• moles per kg

• mols per L

• moles per kJ

• moles per mL

Tags

NGSS.HS-PS1-5