9. How many moles of NaOH would need to be added to 250.0 mL of 0.200 M acetic acid in order to make a buffer solution with a pH of 5.80, assuming that the volume of the solution remains constant?
Ionic Equilibrium
Chemical equilibrium and ionic equilibrium are two major concepts in chemistry. Ionic equilibrium deals with the equilibrium involved in an ionization process while chemical equilibrium deals with the equilibrium during a chemical change. Ionic equilibrium is established between the ions and unionized species in a system. Understanding the concept of ionic equilibrium is very important to answer the questions related to certain chemical reactions in chemistry.
Arrhenius Acid
Arrhenius acid act as a good electrolyte as it dissociates to its respective ions in the aqueous solutions. Keeping it similar to the general acid properties, Arrhenius acid also neutralizes bases and turns litmus paper into red.
Bronsted Lowry Base In Inorganic Chemistry
Bronsted-Lowry base in inorganic chemistry is any chemical substance that can accept a proton from the other chemical substance it is reacting with.
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A
7. Calculate the pH of a buffer made with 50.0 mL of 0.200 M HA and 150.0 mL of 0.100 M NaA, if the Ka
for this generic acid is 2.75x10-4.
0.200 MOHA
1
HA + H₂0 H30² + A
IL
10.050ndl
0.018
-X
0.050-X
с
E
A + HCl -> CI + HA
-3
1.5xi 2.0x13³³
50ML X
HA
0 0.075,0901 150 ML NARX
+ X
+ X
x
0.0750+X
(0.050-X)
X = -(2.75×10² +0.015.0) +√ (2-75410 % 40,075)² + 4(2.75X78) (0.850)
1.822X10M 0.0748M
PH = 3.74
2
- 210X10³ - 2icoxio
4
0.01304,
055
0.0498
ka=-10ka 8. If 2.00 mL of 1.00 M HCl is added t the buffer above, what is the resulting pH? X=1.822224507x10
- 10g (2.75X10") = 3:56 19² [*] -0.0145
19.96x103
-3
4210X16
3.56 +10g
0101196
200,00ML
0.160nolla 1
X
IC
0.01304
0.01196
2.75 X10
= 0.050nd
HA
200.000
(X)(0+0750+x)
020750MB GU
IL
= 0.075
401
Nak
= 3.5975
PH=3.60
-4
0.100 M
31,5x10
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