100. ml of 0.200M HCl is titrated with 0.250M NaOH. 1. What is the pH of the solution after 50.0ml of base has been ad…
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Question “100. ml of 0.200M HCl is titrated with 0.250M NaOH. 1. What is the pH of the solution after 50.0ml of base has been ad…”
1. What is the pH of the solution after 50.0ml of base has been
added?
2.What is the pH of the solution at the equivalence point?
Answer
This problem was solved by stoichiometry or balance reaction. It is a concept that indicates the relationship between any chemical reaction’s reactant and product.
Reaction of acid-base neutralization
Acid-base neutralization is when an acid reacts with a base to create water or solvent.
Take, for example:
Molarity:
The molarity is the concentration of solute per liter in a solution. It is represented by
. Molarity is the ratio of moles per liter solution. This formula explains it:
Titration of an acid and a base
Titration of an Acid with Base is a method to determine the amount of an acid or base by adding a calculated quantity.
Equivalent point:
An equivalent point is an acid-base titration point where acid and base are present in an equal amount.
Indicator:
An indicator of acid-base, or color change in indicator of acid-base titration, is a compound which changes color according
changes to solution. The indicator of acid-base is a color that changes as the solution becomes more acidic or less acidic.
Endpoint:
The end point of acid-base titration refers to the point at which acidic solutions become basic or acidic solutions. At this point, the indicator’s color changes. An indicator is used in acid-base Titration to determine the end point.
The following expression is used to calculate the number moles:
[Part a]
This is the balance chemical reaction between strong acid and strong bas:
The following steps will allow you to calculate the moles of acid or base:
The balance reaction of 1 mole
to 1 mole $9$ is called the “balance reaction”. Accordingly
moles, which were calculated as follows:
The total volume of reaction is the volume of
+ the volume of
Calculate the new molarity for
by following these steps:
refers to a strong acid. Therefore, the molarity
equals the hydrogen ion concentration.
determines the nature of the solution. It is:
[Part a]
Part of
Ans: Part A
This pH is the pH of the solution after adding 50.0ml base.
Conclusion
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