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Question
Which term is to be correctly used for
expressing concentration of electrolytes in solution?
Which term is to be correctly used for expressing concentration of electrolytes in solution?
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Solution
The correct option is C Formality
For electrolytic concentration term formality is
used in place of molarity. Formality is g formula mass of electrolyte in one
litre solution. Remember it is not possible to determine exact molar mass of
electrolytes. We simply assume the formula say for sodium chloride it is NaCl
and formula mass is 58.5. This value can never be obtained experimentally.
For electrolytic concentration term formality is used in place of molarity. Formality is g formula mass of electrolyte in one litre solution. Remember it is not possible to determine exact molar mass of electrolytes. We simply assume the formula say for sodium chloride it is NaCl and formula mass is 58.5. This value can never be obtained experimentally.
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