Question

Concentration of OH-ions is 10-10 then concentration of Htion in a solution is -- [
A) 10-4
B) 104
C) 4-10
D) 410

Answer 1

Answer:

${10}^{ - 4}$

Explanation:

$\sf \implies {p}^{h} + {p}^{oh} = 14 - -(1)\\ \\ \sf \implies{p}^{oh} = - log( {oh}^{ - } ) \\ \\ \sf \: \implies {p}^{oh} = - log( {10}^{ - 10} ) \\ \\\implies \sf {p}^{oh} = - ( -10) log(10) \\ = 10 \\ \\ \sf \: substiute \: {p}^{ {oh}} = 10 \: in \: eq(1) \\ \\ \sf \implies {p}^{h} + 10 = 14 \\ \\ \sf \: therefore \: {p}^{h} = 4 \\ \\ \implies \sf{p}^{h} = - log( {h}^{ + } ) \\ \\\implies \sf 4 = - log( {h}^{ + } ) \\ \\ therefore \sf \: ( {h}^{ + } ) = {10}^{ - 4}$

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