Molarity

Molarity is measured in

• moles per kg

• moles per L

• moles per kJ

• moles per mL

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

Which sweet tea would you expect to taste the sweetest?

• 1M
• 3M
• 3.1M
• 2.5M

How many liters would you need to make a 1 M solution if you have 6 mol of Sodium Hydroxide? 

• 2
• 3
• 4
• 6 

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

Tags

NGSS.HS-PS1-7

Calculate the molarity of the following solution:  1.0 mole of KCl in 750.0 mL of solution.

• 0.750 M
• 99 M
• 1.3 M
• 2.0 M

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

How many grams of solute are dissolved in 125.0 mL of 5.00 M NaCl (MM = 58.45)?

• 0.625 g NaCl
• 625 g NaCl
• 36.5 g NaCl
• 0.04 mol NaCl

Tags

NGSS.HS-PS1-7

Find the molarity of 186.55 g of sucrose, C₁₂H₂₂O₁₁ (MM = 342) in 250 mL of water.

• 2.2 M

• 0.746 M
• 1.18 M
• 0.545 M

How many grams of AgNO₃ (MM = 169.87) are needed to prepare 0.125M solution in 250 mL of water? 

• .03g
• 0.5g
• 5.3g
• 84.9g

Tags

NGSS.HS-PS1-7