Determine the mass of solid NaCH:COO that must be dissolved in an existing 500.0 mL solution of 0.200 M CH:COOH to form a buffer with a pH equal to 5.00. The value of Ka for CH:COOH is 1.8 × 10-8.
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.
Determine the mass of solid NaCH₃COO that must be dissolved in an existing 500.0 mL solution of 0.200 M CH₃COOH to form a buffer with a pH equal to 5.00. The value of Ka for CH₃COOH is 1.8 × 10⁻⁵.
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Determine the mass of solid NaCH3COO that must be dissolved in an existing 500.0
mL solution of 0.200 M CH3COOH to form a buffer with a pH equal to 5.00. The value
of Ka for CH3COOH is 1.8 × 10-5.
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Let x represent the original concentration of CH:COO- in the water. Based on the given values, set up
the ICE table in order to determine the unknown.
CH:COOH(aq) +
H:O(I)
H:O*(aq)
CH:COO (аq)
+
Initial (M)
Change (M)
Equilibrium (M)
2 RESET
0.200
5.00
-5.00
1.0 x 10-9
-1.0 x 109
1.0 x 105
-1.0 x 10-5
1.8 x 10-5
-1.8 x 10-5
x + 5.00
X - 5.00
x + 1.0 x 10-
x - 1.0 x 10-°
x + 1.0 x 10s
x - 1.0 × 10-5
x + 1.8 x 105
x - 1.8 × 105
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