For weak acid (alphais very small)

1.	For weak acid (alphais very small)
Answer» `K_a = C. alpha ^(@) ` ` alpha = SQRT((K_a)/( c) ` ` pH^(+) ] =C. alpha ` All the above SOLUTION :`K_a =(CALPHA ^(2))/( 1- alpha )~~ Calpha ^(2) `

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