Molarity and Concentrations

Find the molarity of 186.55 g of sucrose, C₁₂H₂₂O₁₁ in 250 mL of water.

• 2.18 M

• 0.746 M

• 1.18 M

• 0.545 M

How many moles of NaCl are present in a solution with a molarity of 8.59 M and a volume of 125 mL?

• 1074 mol
• 0.069 mol
• 1.07 mol
• 62.7 mol

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

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

Which sweet tea would you expect to taste the sweetest?

• 1M
• 3M
• 3.1M
• 2.5M

Tags

NGSS.HS-PS1-5

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

• True
• False

Tags

NGSS.HS-PS1-5

How many grams of solute are dissolved in 125.0 mL of 5.00 M NaCl ?

• 0.625 g NaCl

• 625 g NaCl

• 36.5 g NaCl

• 0.04 mol NaCl

What is the molarity of a solution in which 3.0 moles of NaCl is dissolved in 725 mL

• 4.14 M

• 0.22 M

• 135 M

• 2.175 M

What is the molarity of 3 mole of hydrochloric acid in 3 L of solution.

• 3

• 1

• 6

• 9

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