1.

10 mL of 10 ^ - 5 * N Mhydroxide solution is diluted to one litre. Assuming complete ionisation, the pH of the resulting solution is please help ASAP!!!​

Answer»

mpletely ionizes as : NaOH→Na++OH− ∴[OH−]=[NaOH]=N1000=10−3N=10−3M (∵ EQ. MASS = MOL. Mass in case of NaOH) Now, as [H3O+][OH−]=10−14∴[H3O+]=10−14[OH−]=10−1410−3=10−11 ∴pH=−log[H3O+]=−log10−11=11


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