Molarity Dilution

What is the molarity of a solution made by diluting 26.5 mL of 6.00M HNO₃ to a volume of 250.0 mL?

• 15.9 M

• 0.636 M

• 0.642 M

• 1.59 M

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

What is the molarity of 4 g of NaCl (FM=58.45) in 3,800 mL of solution?

• 0.018 M

• 0.0011 M

• 1.052 M

• 0.062 M

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

NGSS.HS-PS1-7

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

Drag the variables to the correct place in the formula

a

b

c

Moles of solute

L of solution

Molarity

How many grams of solute are dissolved in 125.0 mL of 5.00 M NaCl (FM = 58.45)?

• 0.625 g NaCl

• 625 g NaCl

• 36.5 g NaCl

• 0.04 mol NaCl

What is the starting molarity of a 250 mL solution if it was diluted to a 0.5 M solution of 850 mL?

• 2.2 M

• 3.5 M

• 1.7 M

• 0.15 M

If you started with 20 L of 12 M HCl, what is the final molarity if you diluted it to have a volume of 65 L?