Chemistry- Molarity

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

• 0.8 M

• 1.5M

• 3.0M

• 6.0M

Which of the following is the correct formula for calculating molarity?

• moles/liters of solution

• moles/kg of solvent

• # particles/Avogadro's #

• theoretical yield/actual yield

What is a solvent?

• The substance that does the dissolving in a solution.
• The substance that is being dissolved in a solution.
• The mixing of different substances.
• The process in which neutral molecules lose or gain electrons

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

Which sweet tea would you expect to taste the sweetest?

• 1M

• 3M

• 3.1M

• 2.5M

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

How many grams of calcium hydroxide are needed to produce 500. ml of 1.66 M calcium hydroxide solution?

• 38.7 g

• 61.5 g

• 94.0 g

• 19.7 g

Tags

NGSS.HS-PS1-7

What is the molarity of a solution of nitric acid that contains 12.6 grams nitric acid in 1.2 L of solution?

• 0.167 M

• 0.538 M

• 0.378 M

• 0.812 M

952 grams of ammonium carbonate are dissolved to make 1750 mL of solution. What is it's molarity?

• 6.11 M

• 2.06 M

• 3.05 M

• 5.67 M

Tags

NGSS.HS-PS1-7

Which of the following has the most NaCl (MM = 58.44)?

• 100 mL of a 1.8 M solution
• 50 mL of a 4.1 M solution
• 9.35 grams
• 1 mole