Exit Ticket U10: Solution Molarity

What is the molarity of a solution containing 4 moles of KCl in 2.5 L of solution?

• 1.6 M

• 0.63 M

• 10 M

• 2.6 M

What volume is needed to make a 2.45 M solution of KCl using 0.50 mol of KCl?

• 4.9 L

• 0.20 L

• 1.2 L

How many moles of NaCl are needed to make 5.25 L of a 0.25 M solution?

• 1.3 mol

• 21 mol

• 0.048 mol

What is the molarity of a solution made by adding 1.565 moles of PbNO₃ to 0.5 L?

• 300. M

• 31.3 M

• 3.13 M

• 1.56 M

Which solution is more concentrated?

Solution 1:

500 mL of water

100 g of salt

Solution 2:

500 mL of water

90 g of salt

• Solution 1

• Solution 2

• They have the same concentration

• I have no idea

The concentration of a mixture can be increased in which of the following ways?

• Heating the mixture
• Adding more water “solvent”
• Adding more powder “solute”
• Stirring the mixture

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

Molarity is measured in _____.

• moles per g.

• mols per L.

• moles per mm.

• moles per mL.

What is the molarity of 2.5 mol of NaOH in 12.0 L of solution?

• 0.21 M
• 30 M
• 4.8 M
• 20.8 M

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