Solutions

The substance being dissolved is called the ________

• solvent

• solid

• solute

• solvate

How many mols of HCl are in 3 liters of 2.0M HCl solution?

• 2.0

• 1.5

• 6.0

• 0.66

Tags

NGSS.HS-PS1-7

Kool-Aid - Powder, sugar, and water
Identify the solvent 

• water
• powder
• sugar
• powder and sugar

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

Tags

NGSS.HS-PS1-5

NGSS.HS-PS1-6

In a sample of seawater, the solvent is:

• water

• sea

• salt

• air

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

How many moles of NaCl are present in a solution with a molarity of 8.59M and 125 mL of solution?

• 1.07 gram
• 62.7 mol
• 1.07 mol
• 62.7 grams

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

Molarity is measured in

• moles per kg
• mols per L
• moles per kJ
• moles per mL

The ___ is the thing being dissolved

• solute
• solvent