Molarity

What is the molarity of a 0.500dm³ sample of a solution that contains 60.0 g of sodium hydroxide (NaOH)

• 0.800 M

• 1.50 M

• 3.00 M

• 6.00 M

Tags

NGSS.HS-PS1-7

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

• moles/dm³ 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

Molar mass of NaOH is ______________________

• 40 grams/mol

• 50 grams/mol

• 45 grams/mol

• 38 grams/nol

What are the units of molarity?

• M

• m

• Ml

• Mr

Tags

NGSS.HS-PS1-5

Another name for a homogeneous mixture is 

• an element.
• a solution.
• a compound.

What is the molarity of 3 mole of hydrochloric acid in 3 dm³ of water. 

• 3
• 1
• 6
• 9

What is the molarity in 650. cm³of solution containing 63 grams of sodium chloride?

• 2.4 M
• 0.86 M
• 1.7 M
• 0.54 M

What is the molarity of a solution which contains 22.41 grams of NaCl in 50.0 cm³ of solution?

• 0.488 M
• 7.67 mol
• 7.67 M
• 0.00767 M

What is the molarity of a solution made from 325.4g of AlCl₃ with enough water to make 500.0 cm³?

• 4.88 g
• 4.88 M
• 2.440 M
• 2.44 M