Molar Solutions

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

The ___ is the thing being dissolved

• solute
• solvent

Which sweet tea would you expect to taste the sweetest?

• 1M
• 3M
• 3.1M
• 2.5M

Tags

NGSS.HS-PS1-5

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 a solution made by adding 1.565 moles of Pb(NO₃ )₂ to enough water to make 500. mL of soution?

• 300. M

• 31.3 M

• 3.13 M

• 1.56 M

Tags

NGSS.HS-PS1-7

How many moles are needed to make 2.5 L of a 3.8 M solution? 

• 9.5 mol
• 0.66 mol
• 1.5 mol
• 15 mol

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

The term molar, which describes a solution's concentration, is written as?

• M

• mol

• g

• g/L

If you have 2.5 moles of glucose in 0.5 L of solution, what is the concentration of the solution?

• 0.5 M

• 1.25 M

• 2.5 M

• 5 M