The answer is:
PH = - ㏒ [HClO4]
mole HClO4 = 0.1 L * 0.18 m = 0.018 M
mol LiOH = 0.1 L * 0.27 m = 0.027 M
total volume = 0.1L + 0.1L = 0.2L
HClO4] = (0.018-0.0081) /0.2 L
= -1.26 billion
PH = -㏒ -1.26
= 0.1003
So, the pH of the solution after adding 100 ml of liquid is 0.1003.
pH (Power of Hydrogen) is the degree of acidity used to express the acidity or basicity of a solution. It is defined as the dissolved hydrogen ions (H +) activity algorithm. The hydrogen ion activity coefficient cannot be measured experimentally, so its value is based on theoretical calculations. The pH scale is not an absolute scale. It is relative to a set of standard solutions whose pH is determined based on an international agreement. The concept of pH was first introduced by Danish chemist Søren Peder Lauritz Sørensen in 1909. It is not known with certainty the meaning of the abbreviation "p" in "pH". Some references indicate that p is derived from the abbreviation for power (rank), others refer to the German word Potenz (which also means rank), and some are referring to the word potential. Jens Norby published a scientific paper in 2000 which argued that p is a constant meaning "negative logarithm".
Definition of Acid-base Reaction if in Chemistry which is a Chemical Reaction involving Reagents (Substances or Chemical Compounds). Acid reagents used can be either weak acids or strong acids, Likewise, the base reagents used are weak bases or strong bases.
Examples of Acid-base Reactions
1. The acid-base reaction between acid and base
In Neutralization Solution there has been an event between Strong Acid and Strong Base which can produce an ion reaction equation and with the Molecular Equation of the Neutralization Reaction (Acid & Base Reaction) Between the Acid-Base and the Base will usually produce Water & Salt.
ACID + BASE → SALT + WATER
2. Reaction Between Acid Oxides and Bases
In chemistry, Acid oxides are Non-Metallic Oxides which, when dissolved in water, form acids and then release H + ions. This reaction between acidic and basic oxides will form both salt and water.
ACID OXID + BASA → SALT + WATER
3. Reactions Between Acids and Alkaline Oxides
In Chemistry, a basic Oxide is a Metal Oxide which, when dissolved in water, forms a Base and releases H-ions. The reaction between acid and base oxide will form salt and water as below:
ACID + BASIC OXIDES → SALT + WATER
4. The acid-base reaction between acid and ammonia
In Chemistry Anomia which is a Weak Base which when dissolved into Water will form NH4OH & Reaction Between Acid and Ammonia And this anomia will produce Ammonium Salt with Reactions like the following:
ACID + NH3 → AMMONIUM SALT
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Grade: High School
Subject: Chemistry
keywords: pH (Power of Hydrogen)
