Question

ksp of sroH2 is x then calculat value of oh-​

Answer 1

GIVEN

Ksp =x

TO DETERMINE

[OH-]

ANSWER

Ksp of Sr(OH)2= [Sr²+][OH-]²

x=[Sr²+][OH-]²

[OH]=√(x/[Sr²+])

ANOTHER WAY

Say solubility of salt is S

Ksp= S×(2S)²

x=4S³

S= (x/4)⅓

[OH]= 2S=2×(x/4)⅓

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