Grade 12Physical Chemistry
the compound M(OH)x has a Ksp of 4*10^-6 and has a solubility of 10^-2 mol L^-1.the value of x should be
2 Answers
raj kumar
M(OH)x------M+x(OH)
s s xs
Ksp = (xs)^x/s
4*10^-6=(x*10^-2)^x/10^-2
4*10^-8= x^x*10^-2x
thus x=4
Shruthi
Ksp=s(xs)^x. M(OH)x------------>M+x(OH)
4*10^-9=(10^-3(1+x))x^x
Option verifIcaton( when x= 2)
4*10^-9=2^2(10^-3(1+2))
=4*10^-9
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