In the following solutions, what is the change in hydrogen ion concentration? (how many times more or less hydrogens are there from before to after? A pH of 4 changes to a pH of 7. A pH of 10 changes to a pH of 8. 2,Determine the pH of a solution that has a hydrogen ion concentration [H+] equal to 3.2x10-5 mol/L.
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.
- In the following solutions, what is the change in hydrogen ion concentration? (how many times more or less hydrogens are there from before to after?
- A pH of 4 changes to a pH of 7.
- A pH of 10 changes to a pH of 8.
2,Determine the pH of a solution that has a hydrogen ion concentration [H+] equal to 3.2x10-5 mol/L.
3,Determine the hydrogen ion concentration of a solution that has a pH of 9.0.
4, Determine the pH of a solution that contains 6.5x10-3 mol/L of OH- ions.
5, What is the purpose of a titration?
6, What is the endpoint of a titration?
7, Why should at least 3 trials always be done for a titration?
- Use the following neutralization reaction to answer the questions: 2HCl(aq) + Ca(OH)2(aq) → CaCl2(aq) + 2H2O(l)
- Determine the number of moles of HCl needed to perfectly neutralize 0.037 moles of Ca(OH)2.
- Starting with 0.037 moles of Ca(OH)2, what would be the concentration of CaCl2(aq) if the total volume of the solution is 500.0mL?
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