Moles and Molarity

Molarity is measured in _____.

• moles per g.

• mols per L.

• moles per mm.

• moles per mL.

Tags

NGSS.HS-PS1-5

Which equation is used to find molarity?

• Moles solute/L solution

• Moles solute/kg solution

• Moles solute/kg solvent

• Grams solute/L solution

Calculate the molarity of the following solution: 1.0 mole of KCl in .75 L of solution.

• 0.750 M

• 99 M

• 1.3 M

• 2.0 M

What is the molarity of a solution made by adding 1.565 moles of PbNO₃ to .5 L?

• 300. M

• 31.3 M

• 3.13 M

• 1.56 M

Which has more molecules?

• 1 mole H₂O

• 1 mole Al(OH)₃

• 1 mole NaCl

• They are all the same

Which has more molecules?

• mole H₂O

• mole Al(OH)₃

• mole NaCl

• They are all the same

Tags

NGSS.MS-PS1-1

• 0.5 moles

• 0.86 moles

• 1 mole

• 1.5 moles

Tags

DOK Level 2: Skill/Concept

• 0.25 moles

• 0.5 moles

• 1 mole

• 2 moles

Tags

DOK Level 2: Skill/Concept

The mass of 1 mole is known as

• A mole

• Molar mass

• Percent Composition

• Grams

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