What is the Arrhenius theory?
- Acids produce hydrogen ions in solution
- Bases produce hydroxide ions in solution
What is the acid in the following reaction?
NH3 + H20-> NH4+ + OH-
H20
What is the base in the following reaction:
NH3 + H20-> NH4+ + OH-
NH3
What is the pH of an acid with a hydrogen concentration of 1.00x10-1
1
What is the point called where the hydrogen ions and hyroxide ions are equal with each other in a neutralize reaction?
equivalence point
What is the Brønsted-Lowry theory?
– Acid is a proton donor
– Base is a proton acceptor
What are the conjugate bases of H3PO4, H2PO4-, HPO42-?
H2PO4-, HPO42-, and PO43-
What are the conjugate acids for the follwing bases
NH3, H20, CH3OO-
NH4+, H30+, CH3OOH
A weak acid is diluted until the pH is 5.43. What is the concentration of H+?
3.72*10-6 M
What is the molarity of a base if we used 25ml of that base to neutralize 20ml of a 0.25M acid solution?
0.20M base
In the Bronstad and Lowry theory the Acid is the proton donator or acceptor?
donator
A strong acid is considred a strong acid because ______
It completely dissosociates
A compound with a pOH of 4.5 has a high concentration of
Hydroxide ions
A weak base is diluted until the pH is 9.22. What is the concentration of OH-?
1.66*10-5 M
If it takes 54.0 mL of 0.1 M NaOH to neutralize 125 mL of an HCl solution, what is the Molarity of HCl?
0.04M HCl
In the Bronstad and Lowry theory the base is the proton donator or acceptor?
acceptor
A weak acid is considred a weak acid because it _______
It partially dissosociates
A strong base is considred a strong base because ______
it completely dissociates
What is the pOH of an acid if it has a hydrogen concentration of 1.23x10-2?
12.1
If it takes 50 mL of 0.5 M NaOH solution to completely neutralize 125 mL of HCl solution, what is the concentration of HCl?
0.2M HCl
List the acid, base, conjugate acid, conjugate base for the follwing reaction:
H2SO4 + HSO4- -> H2SO4 + HSO4-
Acid, base, Conjugate Acid, Conjugate Base
What are the conjugate pairs in this reaction:
and
What is the conjugate base of the acid in the following reaction:
HCl + H20-> ?
OH-
What is the pH of a base if it has a hydroxide concentration of 2.67x10-3
11.43
A student titrates 20.0ml of 0.25M H2SO4 to neutralize an unkown amount of NaOH. It was netrulized at 25ml of base. What is the concentration of the base. Hint: you will need to create and balance the equation.
0.40 M NaOH