Solutions Review_21

Which of the following is a heterogeneous mixture

• water
• Salt dissolved in water
• chex mix
• air

Which of these is true about a solvent?

• substance dissolving the other substance
• the substance getting dissolved
• both parts of the solution
• always water

What is the solute in a solution of tea with sugar?

• tea
• sugar
• both
• neither

What is the appropriate word for a solution with too much solvent?

• unsaturated
• saturated
• supersaturated
• antisaturated

What is another term to describe solution?

• heterogeneous mixture
• homogeneous mixture
• compound
• substance

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

• 2
• 3
• 4
• 6 

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

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

• 0.018 M
• 0.0011 M
• 1.052 M
• 0.062 M

What is the molarity of a solution made by adding 1.565 moles of PbNO₃ to 500 mL?

• 300. M
• 31.3 M
• 3.13 M
• 1.56 M

How many moles are needed to make 2.5 L of a 3.8 M solution? 

• 9.5 mol
• 0.66 mol
• 1.5 mol
• 15 mol