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Question
Fill in the blanks by choosing the appropriate word/words from those given in the brackets:
The unit of conductance is ………. and that of specific conductance is ………..
(Henry’s, aldol condensation, absence, do not, ohm, Raoult’s, increases, common ion effect, easily, three, solubility product, ohm-1, two, four, ohm-1, cm2, Cannizzaro, ohm-1 cm-1, zero, decreases, presence)
Solution
The unit of conductance is ohm-1 and that of specific conductance is cm-1
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A 0.05 M NH4OH solution offers the resistance of 50 ohms to a conductivity cell at 298 K. If the cell constant is 0.50 cm-1 and molar conductance of NH4OH at infinite dilution is 471.4 ohm-1 cm2 mol-1, calculate:
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(ii) Molar conductance
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A 0.05 M NH4OH solution offers the resistance of 30.8 ohms to a conductivity cell at 298K. If the cell constant is 0.343 cm−1 and the molar conductance of NH4OH at infinite dilution is 471.4 S cm2 mol−1, calculate the following:
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