Molarity and Dilutions Honors

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

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

50 ml of a 1 M solution is diluted until the final volume is 80ml. How much water was added?

• 50 ml

• 1.3 ml

• 30 ml

• 130 ml

If I dilute 250 mL of 0.10 M lithium acetate solution to a volume of 750 mL, what will the concentration of this solution be?

• 2 M

• 0.02 M

• 0.033 M

• 0.08 M

How many liters would you need to make a 1 M solution if you have 6 mol of Sodium Hydroxide? 

• 2

• 3

• 4

• 6 

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 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

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