Concept explainers
If the cost of electricity to produce magnesium by the
Interpretation:
The cost of electricity required to form
Concept introduction:
Electrolysis is thetechnique used to produce a chemical change in the given substance by passing an electric current through it.
Magnesium chloride is the compound of magnesium used in wind erosion. Magnesium is formed by the electrolysis of molten magnesium chloride.
The relationship between grams and
To Convert of
The cost of electricity to form
Answer to Problem 46QP
Solution:
(a)
The cost of electricity to form
(b)
The cost of electricity to form
(c)
The cost of electricity to form
Explanation of Solution
a)
The ton of the metal formed by
The reduction reaction is as follows:
Conversion of
Therefore, one mole of the electrons of Mg produces
The reduction reaction for Al is as follows:
The conversion of
Therefore, per mole of electrons forms
The amount given ofAl is
The cost of electricity to form
Substitute the values in the above equation:
Thus, the cost of electricity to form
b)
The reduction reaction for Na is as follows:
The conversion of
Therefore, per mole of electrons forms
The amount given ofNa is
The cost of electricity to form
Substitute the values in the above equation:
Thus, the cost of electricity to form
c)
The reduction reaction for Ca is as follows:
The conversion of
Therefore, per mole of electrons forms
The amount given ofCa is
The cost of electricity to form
Substitute the values in the above equation:
Thus, the cost of electricity to form
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Chapter 19 Solutions
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