Solve using step-by-step process (solutions). 1. What is the pH value and what is the hydroxyl-ion concentration of a solution that is 0.0010 M in HCl? (Ans. pH = 3.0 ; [OH-] = 1.0x10 -11 ) 2. The pH value of a certain solution is 5.92. What are the pOH value, the hydrogen-ion concentration and the hydroxyl-ion concentration? (Ans. pOH = 8.08 ; [H+] = 1.20x10-6 M ; [OH-] = 8.3x10-9 M)
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.
Solve using step-by-step process (solutions).
1. What is the pH value and what is the hydroxyl-ion concentration of a solution that is 0.0010 M in HCl? (Ans. pH = 3.0 ; [OH-] = 1.0x10 -11 )
2. The pH value of a certain solution is 5.92. What are the pOH value, the hydrogen-ion concentration and the hydroxyl-ion concentration? (Ans. pOH = 8.08 ; [H+] = 1.20x10-6 M ; [OH-] = 8.3x10-9 M)
3. At certain temperature, the pKb value of NH4OH is 4.70. What is the pH value of a 0.20 M solution of NH4OH at that temperature? (Ans. pH = 11.30)
4. What is the hydrogen-ion concentration and the pH in 500 mL of a 0.100 M solution of acetic acid at 25 deg. C if the solution contains an additional 2.00 g of acetate ions added in the form of sodium acetate? (Ans. [H+] = 2.74x10-5 M ; pH = 4.56)
5. What is the solubility product expression and the Ksp value of silver sulfate, Ag2SO4 (MM=312), if the solubility of the salt is 5.7x10-3 g/mL? (Ans. Ksp = 2.3x10-5 )
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