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When H2SO4(aq) is exactly neutralised by Mg(OH)2, the hydroxide ion concentration in the resulting solution will be ?
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1*10^-7 is neutral for both hydroxide conc, and hydrogen ion conc.
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The correct ans. will be (c)- always equal to the concentration of hydroxide ions.
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the acid is diprotic (two H+ per molecule) so it's like 150.0 mL of 0.10 M H+ it takes twice as much
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M1=0.05M M2=? V1=150 mL V2=300mL So, M1V1=M2V2 (0.05)(150)=(300)M2 M2(300)=7.5 M2=7.5/300 M2=0.025M
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(H^+)(OH^-) = Kw = 1E-14
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