in this question why we take conc.of OH- which comes from dissociation of NaOH and not considering which comes from Mg(OH)2??

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Arun · Answer

K sp = [ Mg 2 + ] [OH¯] 2 Let the concentration of Mg 2+ ions to form saturated solution be s mol/litre 4 x 10 -12 = s x (0.1) 2 s = 4 x 10 -10 mol/litre Volume of solution = 1 litre Number of moles of Mg 2 + = Molarity x Volume = ​4 x 10 -10 x 1 = ​4 x 10 -10 mol

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in this question why we take conc.of OH- which comes from dissociation of NaOH and not considering which comes from Mg(OH)2??

in this question why we take conc.of OH- which comes from dissociation of NaOH and not considering which comes from Mg(OH)2??

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in this question why we take conc.of OH- which comes from dissociation of NaOH and not considering which comes from Mg(OH)2??

in this question why we take conc.of OH- which comes from dissociation of NaOH and not considering which comes from Mg(OH)2??

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