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Suggest a way to determine Lambdam^@ val...

Suggest a way to determine `Lambda_m^@` value of water.

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`Lambda_m^@ of H_2O=lambda_(H)^@+lambda_(OH)^@`
Determine `Lambda_m^@`of HCL,NaOH and NaCl experimentally. Then `Lambda_m^@`of `H_2O`can be calculated using the reaction
`Lambda_m^@(H_2O)=Lamda_m^@(HCL)+Lamda_m^@(NaOH )-Lambda_m^@(NaCl)`
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