Solutions
Molarity
Solubility
Acid/Base
Random
100

What is the relationship between the solute, solvent and solution?

The solvent dissolves the solute to create a solution


100

What does molarity measure?

How concentrated or dilute a solution is. The higher the molarity, the greater the concentration.

100

Name and explain the three factors that affects solubility.

Temperature, surface area, agitation

100

Solution A has a pH of 4

Solution B has a pH of 2


Which solution is the strongest acid?

Which solution has the highest concentration of H+ ions?

B, B

100
Fill in the blanks: A solutions with a pH of 13 will be a _________ (acid/base) and ___________ (will/will not) be conductive.

base, will

200

Carbon dioxide gas is dissolved in water under pressure to make soda. Identify the solute and solvent


Solute: Carbon dioxide  Solvent: Water


200

How many Liters would there be in a 0.3 M solution made of 2 moles of LiF?


6.6 L

200

If you put salt into water and immediately put the solution into the freezer, will it dissolve slower or faster?

Slower, lowering the temperature

200

Finish the reaction for the following reaction. 


PO4-3 +H2O ⇄ 


HPO4-2 + OH-

200

Solution A has a molarity of 0.1 M and Solution B has a molarity of 0.4 M. Which is more concentrated?


Solution B, higher molarity

300

A teaspoon of sugar is stirred into a glass of warm water until it completely dissolves.

a) Identify the solute. 

b) Identify the solvent. 

c) What is the resulting solution?

a. Sugar

b. Water

c. Sugar water

300

5. What is the molarity of Solution A that has 24 grams of MgO dissolved in 8 L? 


0.075 M

300

Using the solubility curve at your table, how many grams of lithium chloride will dissolve in 100 grams of water at 60 degrees Celcius?

98 grams

300

  1. For each of the following reactions, label the acid, base, CA, and CB


HF + NH3 ⇌ NH4+ + F-



H2O + H2SO4 ⇌ H3O+ + HSO4-

A        B    CA        CB


B        A        CA        CB

300

A lab technician needs 250.0 mL of 0.100 M CuSO₄ for an experiment but only has a 1.00 M stock solution. How much water would you add to the final solution?

225 mL

400

If a solution is too concentrated, what is an easy thing you can do to dilute it?

Add water

400

If you double the volume of a solution by adding water, what happens to the concentration? Explain without using a formula. 

It will cut in half

400

Using the solubility curve at your table, how many grams of lithium chloride will dissolve in 375 grams of water at 80 degrees Celcius?

412 grams

400

What happens during an acid base reaction?

Hydrogen ions are transferred

400

A concentrated solution of 7.5 M HCl is diluted to weaken it. If 5 L of water is added to the original 2 L solution, what would the final concentration be?


2.14 M

500
What is the name of the glassware that you make solutions in?

Volumetric Flask

500

What volume of 12.0 M HCl is needed to prepare 500.0 mL of a 1.5 M HCl solution? Draw or explain how you would make it, in detail.

62.5 mL

500

Using the solubility curve at your table, at what temperature will 50 grams of potassium chloride dissolve in 100 grams of water?

80

500

Which of the following would you expect to be bases?

NaOH

HCl

Ca(OH)2

HNO3

NaOH

Ca(OH)2

500

You are given two solutions:

  • Solution A: 10.0 g of Sodium chloride dissolved to make 500.0 mL of solution
  • Solution B: 10.0 g of magnesium oxide dissolved to make 500.0 mL of solution

Which solution has the higher molarity? Explain your reasoning

MgO because it has the higher molarity. 


NaCl: 0.342 M

MgO: 0.496 M

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