Solutions and Solubility Review

What is the molarity of 4 g of NaCl in 3,800 mL of solution?

• 0.018 M

• 0.0011 M

• 1.052 M

• 0.062 M

How many grams of solute are dissolved in 125.0 mL of 5.00 M NaCl?

• 0.625 g NaCl

• 625 g NaCl

• 36.56 g NaCl

• 0.04 mol NaCl

Find the molarity of 186.55 g of sucrose (C₁₂H₂₂O₁₁) in 250 mL of water.

• 2.18 M

• 0.746 M

• 1.18 M

• 0.545 M

Kool-Aid - flavoring, coloring, sugar, and water. Identify the solvent.

• water

• powder

• sugar

• powder and sugar

How many mL of stock solution of 2M NaCl do you need to prepare 100 mL of 0.150M NaCl?

• 7.5 mL

• 15 mL

• 1333 mL

• 200 mL

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

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

• 27.8 mL

• .278 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

You have been asked to prepare 500 mL of a 2.5 M solution of NaOH. How much NaOH should you measure out before adding water?

• 10g

• 100g

• 50g

• 80g

What volume of water must be added to 25 mL of a 4.0 mol/L solution of potassium carbonate solution to dilute it to a concentration of 1.6 mol/L?

• 27.2 mL

• 29.4 mL

• 31.5 mL

• 38.0 mL