Which of the following is known as Darkens equation? – McqOptions

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1.	Which of the following is known as Darkens equation?
A.	D = D<sub> </sub>X<sub>A</sub> + D<sub>A</sub>X<sub> </sub>
B.	D = D<sub> </sub>X<sub> </sub> + D<sub>A</sub>X<sub>A</sub>
C.	D = D<sub> </sub>*X<sub>A</sub>
D.	D = D<sub> </sub>*X<sub> </sub>
Answer» C. D = D<sub> </sub>*X<sub>A</sub>

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