Solubility Curves
How many grams of NaNO3 can be dissolved in 50°C water?
150g~
Name 3 of the 9 types of solutions
solid in solid/liquid/gas
liquid in solid/liquid/gas
gas in solid/liquid/gas
0.5 moles of solute are dissolved in 250 mL of solution. What is the molarity?
2.0M
You have 100 mL of a 2.0 M NaCl solution. You dilute it to 500 mL. What is the final concentration?
0.4M
What is a solute?
A substance that dissolves into a solvent to form a solution.
What temperature will 20g of NH3 dissolve in to create a saturated solution?
65°C
What kind of solution is the gas in a can of soda/pop?
gas in liquid
You have 1.75 moles of solute in a 0.350 M solution. What is the volume?
5.0L
What volume is needed to dilute 2.0 M solution to 0.5 M if you start with 100 mL?
400 mL
What is the definition of a solution?
a homogeneous substance that is formed from mixing two or more solutes and solvents together
If 80g of NH3 was dissolved in 10°C water, would it be an unsaturated, saturated, or super saturated solution?
super saturated
What is an example of a solid in liquid solution?
saltwater, simple syrup, etc...
You have 0.40 L of a 1.2 M solution. How many moles does it contain?
0.48mols
A 5.0 M solution is diluted to 1.0 M. If the final volume is 250 mL, what was the initial volume?
50mL
What does it mean when a solution is saturated?
the solution contains the maximum amount of solute for a given solvent at a given temperature and pressure
If 50g of Ce2(SO4)3 were put into 25°C water, how much would not dissolve?
40g~
When mixing milk into your coffee, what kind of solution would it be?
liquid in liquid
0.333 moles of solute are dissolved in a 0.125 M solution. What is the volume?
2.664L
300ml of water is added to 450mL of 4.0M HCl, what is the final Molarity?
2.4M
What does it mean when you're diluting a solution? (Think about the amount of mols...)
it is when you are reducing the moles of a solute per unit volume, but the total number of moles in the the solution does not change
If you have 10g of KClO3 in 80°C water, how much more can you add til it becomes a saturated solution?
30g
What is an example of a gas in gas solution?
earths atmosphere, water vapour in the air, etc...
You dissolve 24.5 g of HCl in 0.500 L. What is the molarity?
1.34M
You have a 6.0 M stock solution. You first dilute 30 mL of it to 120 mL. Then, you take 40 mL of that diluted solution and dilute it again to 200 mL.
What is the final concentration?
0.3M
the property which a pure liquid’s freezing point will lower when adding a solute