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The unit of ebullioscopic constant is ……...

The unit of ebullioscopic constant is ………. .

A

Kkg `mol^(-1)` or K `("molality")^(-1)`

B

mol kg `K^(-1)` or `k^(-1)` (molality)

C

kg `mol^(-1)k^(-1)` or `k^(-1)("molality")^(-1)`

D

K mol `kg^(-1)` or K (molality)

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