Explain the conductance result for pure H2O?

1 answer:

8 0

The conductivity of the electrolyte (or conductivity) is a physical quantity that characterizes the conductivity of the electrolyte. The unit of the international unit is Siemens per meter (S / m).Measuring the conductivity of an electrolyte is a routine method for determining the ionic content of a solution in industrial and environmental monitoring, and this method is fast, inexpensive and reliable. [1]. For example, it can be used to continuously monitor the real-time performance and transformation of water purification systems.In many cases, the electrolyte conductivity is directly related to the total dissolved solids (T.D.S.) in the solution. The conductivity of high quality deionized water is about 5.5 μS / m, the conductivity of drinking water is in the range of 5-50 mS / m, and the conductivity of seawater is about 5 S / m [2] (ie, Ion water conductivity 100 million times higher).Traditionally, the conductivity is measured by measuring the AC resistance of the solution between the two electrodes.

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Prior to writing the chemical formula of magnesium chloride, a question which any student will need to ask is: A. What are the oxidation numbers of each atom?

A chemical formula can be defined as a scientific notation that is used to show (represent) the type and total number of atoms that constitute a particular chemical molecule or compound, by using the oxidation number, chemical symbols and subscripts.

Hence, a student would need to know the oxidation numbers of each atom when magnesium chloride is formed after a chemical reaction.

In Chemistry, an oxidation number represents the number of electrons <u>gained</u> or <u>lost</u> by an atom of a chemical element during a chemical reaction.

In conclusion, when magnesium chloride is formed, a question which the student will need to ask prior to writing the chemical formula is "what are the oxidation numbers of each atom?"

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