Molarity Quiz

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

• 3
• 1
• 6
• 9

The ___ is the thing being dissolved

• solute
• solvent

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

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 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.

• 2.18 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

Tags

NGSS.HS-PS1-7

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

Which solution is more concentrated?

Solution 1:

100 g of salt in 500 cm³ of water

Solution 2:

90 g of salt in 500 cm³ of water

• Solution 1

• Solution 2

• They have the same concentration

• I have no idea

What is the molarity of a 0.5 L sample of a solution that contains 60.0 g of sodium hydroxide (NaOH)

(Molar mass for NaOH= 40 g mol^-1)

• 0.8 mol/L

• 1.5 mol/L

• 3.0 mol/L

• 6.0 mol/L