Moles, Molarity, and Molar Mass

What is the molarity of 1 mole of Ba⁺ in 2 L of water

• 1 M

• 2 M

• .5 M

• .25 M

Tags

NGSS.HS-PS1-5

Molarity is measured in

• moles per kg

• moles per L

• moles per kJ

• moles per mL

Tags

NGSS.HS-PS1-5

The ___ is the thing being dissolved

• solute
• solvent

What is the molarity of a solution which contains 2.6 moles of NaCl in 500.0 mL of solution?

• 2.6 M

• 2.6 mol

• 5.2 M

• 1.3 M

Concentration of a solution is expressed in

• moles
• molar
• molar mass
• molarity

Tags

NGSS.HS-PS1-5

The mass of one mole of substance is called...

• molecular mass
• mole constant
• molar mass
• atomic weight

What is the molar mass of sodium?

• 11 g/mol

• 23 g/mol

• 45.98 g/mol

• 3 g/mol

What is the molar mass of fluorine gas?

(beware -check your diatomics!)

• 18.998 g/mol

• 38 g/mol

• 9 g/mol

• 18 g/mol

What is the mass of one mole of aluminum?

• 27 g
• 13 g
• 54 g
• 14 g

How many particles are in a mole?

• 602
• 602 million
• 602 moles
• 6.02 x 10²³