Molarity Dilutions

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

• 2.18 M

• 0.746 M

• 1.18 M

• 0.545 M

Tags

NGSS.HS-PS1-5

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

Which sweet tea would you expect to taste the sweetest?

• 1M

• 3M

• 3.1M

• 2.5M

Tags

NGSS.HS-PS1-5

If you have 34 mL of a 0.5 M NaBr solution, what will the concentration be if 56 mL of water is added to it?

• .191 M

• 3.78 M

• .389 M

• 1.76 M

What volume, in milliliters, of 10.0 M NaOH is needed to prepare 300.0 mL of 2.00 M NaOH by dilution?

• 0.067 mL

• 60.0 mL

• 100 mL

• 125 mL

How many mL of 10.8M HCl are required to make 100.0 mL of 3.00M acid?

• 27.8 mL

• 27.78 mL

• 2.8 mL

• 278 mL

What volume of 1.50 M KBr can be made from 15.6 mL of concentrated KBr with a molarity of 9.65 M?

• 150. mL

• 151 mL

• 1.00 L

• 100. mL

A dilution is when

• solute is added to the volume of solution

• water is added to the volume of solution

• solute is removed from the volume of solution

• water is removed from the volume of solution

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

What is the molarity of 4 grams of sodium chloride in 3,800 mL of solution?

• 0.018 M

• 0.018 mol

• 1.052 M

• 1.052 mol