Solutions
What is the Molarity of a solution that has 4 moles of Al(OH)3 dissolved in 2 liters of distilled water?
2 M
You are working in a biology lab and need to prepare a diluted bleach solution to disinfect your bench. You have a stock bottle of 5.0 M bleach. If you take 20.0 mL of the stock bleach and dilute it to a total final volume of 500.0 mL, what is the molarity of the new solution?
0.2 M
What does an acid dissociate into
H+
What color is phenolphthalein in a base?
Pink
What is the pH scale Range?
0-14 pH
What is the Molarity of a NaOH Solution that has 15.98 grams dissolved in 150 mL.
2.66 M
A lab technician has a stock bottle of 10.0 M hydrochloric acid. They use a pipette to transfer 15.0 mL of this acid into a larger flask and dilute it to a total volume of 250.0 mL.
What is the Molarity of the HCl solution
0.6 Molar
What does a base dissociate into
OH-
What color does an acid turn litmus paper
red
What is Neutral on the pH scale
7
How many moles of CuSO4 do I need to create 678 mL of a 3.9 M
2.64 Moles
You have 200.0 mL of a 1.20 M potassium chloride solution. Your procedure requires a concentration of exactly 0.300 M. How many milliliters of distilled water must you add to the original solution to achieve this concentration?
600 mL
Define a Strong vs Weak Acids and Bases
strong fully dissociates
weak partially dissociates
Acid or base? reaction with Mg and NaHCO3
acid
Where on the pH scale do I put a weak acid
4-6 ish
How many grams of NaCl do I need to create 1800 mL of a 0.92 M solution
96.78 g
A chemist has 150 mL of a 2.5 M NaOH solution. They need the concentration to be exactly 0.40 M for a specific titration. How many milliliters of distilled water must be added to the original solution to achieve a concentration of 0.40 M?
787.5
Draw a Particle Diagram of a Strong Base
Which Substances light up the light bulb
Both acids and bases
Where should I put a weak base on the pH scale
8-10 ish
What is the volume in milliliters of 3.8 M solution that contains 756 g of NaCl
3404.3 mL
You have 45.0 mL of a concentrated 12.4 M HNO3 stock solution. You need to dilute this to a concentration of 0.750 M for an experiment.
How many liters of distilled water must you add to the stock solution to reach this concentration
0.699 L
What in Titration?
0.103 M
What is the point of a titration
to figure out the concentration of an unknown solution
If my solution has a very high concentration of H+ ions, where on the pH scale would I place it.
low pH 0-3 ish