pH
pH less than 7........
acids
Acids release________________ ions
[H+] ions
Titration is a method to neutralize solutions
true or false?
true
Which of the following is an acid?
a.) Na Br
b.) HSO4
c.) KOH
HSO4
Has a bitter taste
Base
pH is the measure of the concentration of OH- and H+ ions, TRUE or False?
True
A base releases __________________ ions when it dissociates in water.
[OH-]
The neutralization is characterized by a color change of one of these.
Which of the following is an example of a Base?
a.) Na Br
b.) HSO4
c.) KOH
KOH
Has sour taste
acid
As you move from 3 to 7 on the pH scale, the hydronium ion concentration does this.
What is decreases.
What are ionic compounds.
The formula to do titration (neutralization) is.....
MaVa=MbVb
Which of the following is a salt?
a) HC2H3O2(aq)
b) NH3(aq)
c) KCl
Dissociate completetely in water
a.) acid
b.) bases
c.) both (acids and bases)
c.) Acids and Bases
As you move from 8 to 2 on the pH scale, the hydroxide ion concentration does this.
What is decreases.
This is the name given to acids which donate H+ in solution. It is named after a person.
What are Arrhenius acids.
If you neutralized 50 mL of a 1.75 M solution of H2SO4 with 150 mL of a NaOH solution.
From the problem identify the following variables
Ma=
Va=
Mb=
Vb=
Ma= 1.75 M
Va= 50 ml
Mb= unknown ????
Vb=150 ml
Give an example of Base
NaOH
KOH
Ca(OH)2
Which would turn phenolphthalein pink?
A base
When you move from 5 to 10 on the pH scale, the hydronium ion concentration increases this many times.
What is 100,000 or 105
Bases turn litmus paper __________________
a.) red
b.) blue
blue
What is the concentration of HCl solution if 50 ml are neutralized by 30.0 ml of 3.0M KOH?
Ma x 50ml = 3.0M x30.0ml
Ma=1.8
Which would be the best conductor of electricity?
a) 1 M CO2
b) 10 M CO2
c) 1 M HCld) 2 M HCl
2 M HCl
What would be the pH range of a substance that turned bromthymol blue to green?
6.0 to 7.6