Vocab
Name and formula of the ion that acids produce in a solution
Hydronium, or H3O+
A solution with a pH less than 7
Acidic
These types of acids and bases ionize to a small degree
weak
The concentration of a solution is defined as
Molarity
Phenolphthalein turns pink when...
in a basic solution
When acids and bases are dissolved in water they split apart. Another word for this is...(2 answers)
Dissociate or Ionize
A solution with a pH of 7.9 would be considered
Basic
These types of acids and bases dissociates completely
Strong
The formula for molarity is
M=mol/L
At the equivalence point, the moles of base is equal to….
the moles of acid
The name and formula of the ion that bases produce in solution
Hydroxide, OH-
A solution with more H3O+ than OH- would be considered
Acidic
This type of acid or base would show a reversible arrow in a chem. equation
Weak
A solution is made using 0.23mol HCL and 0.250L of water. What is the molarity?
0.92M
You perform a titration and deliver 0.12mol of base to reach the equivalence point. How many moles of acid were in the solution that you titrated?
0.12mol
When a substance can act as both an acid or a base, it is...
Amphoteric
A solution with [H+] = 1.0x10^-4 has a pH of___ and would be considered___(acid or base)
4, acidic
You have 0.2M solution of both HCl and HF. Which will have a lower pH
HCl
How many moles of HCl are present in .670L of a 0.45M solution
0.30mol
You perform a titration of 0.4M NaOH with an unknown concentration of HCl. You deliver 35mL to reach the equivalence point. How many moles of HCl were in the solution?
0.014mol HCl
[H+] This formula is used to represent...(2 answers)
8.67, Basic
You have 0.3M of HBr and HClO. Which has more free H+ ions in solution.
HBr
How many moles of HCl do you need to make 500mL of a 0.4M solution
0.2mol HCl
You perform a titration of 1.2M NaOH with an unknown concentration of HCl. You deliver 12.5mL to reach the equivalence point. If you started with 250mL of the acid solution, what is the molarity of the HCl solution?
0.06M