Molarity and Dilutions

What is the molarity of 4 g of NaCl (MM=58.45) in 3,800 mL of solution?

• 0.018 M
• 0.0011 M
• 1.052 M
• 0.062 M

True or False? The higher the concentration of a solution the less solutes it has in it.

• True
• False

What is the molarity of a solution made by diluting 26.5 mL of 6.00M HNO₃ to a volume of 250 mL?

• 15.9 M
• 0.636 M
• 0.642 M
• 1.59 M

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

Molarity is measured in

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

What is the molarity in 650. ml of solution containing 63 grams of sodium chloride?

• 2.4 M
• 0.86 M
• 1.7 M
• 0.54 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

The ___ is the thing being dissolved

• solute
• solvent

What does the solute dissolve in?

• solvent
• mixture
• solute

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

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