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Pada kondisi kamar, 100 mL larutan litium hidroksida (LiOH)memiliki konsentrasi sebesar 1 × 1 0 − 8 M . Berapakah pH dari larutan tersebut?

Pada kondisi kamar, 100 mL larutan litium hidroksida (LiOH) memiliki konsentrasi sebesar . Berapakah pH dari larutan tersebut?

  1. 7 + log⁡ 1,1

  2. 8 - log ⁡1,1

  3. 7 - log ⁡1,01

  4. 8 + log ⁡1,01

  5. 7 - log⁡1,1

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S. Lubis

Master Teacher

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begin mathsize 12px style open square brackets O H to the power of minus sign close square brackets air equals 10 to the power of negative sign 7 end exponent thin space M open square brackets O H to the power of minus sign close square brackets Na O H equals 1 cross times 10 to the power of negative sign 8 end exponent space M open square brackets O H to the power of minus sign close square brackets total equals 10 to the power of negative sign 7 end exponent plus 1 cross times 10 to the power of negative sign 8 end exponent space M open square brackets O H to the power of minus sign close square brackets total equals 1 comma 1 cross times 10 to the power of negative sign 7 end exponent space M pOH equals minus sign log open square brackets O H to the power of minus sign close square brackets total pOH equals minus sign log left square bracket 1 comma 1 cross times 10 to the power of negative sign 7 end exponent right square bracket pOH equals 7 minus sign log space 1 comma 1 pH equals 14 minus sign pOH pH equals 14 minus sign left parenthesis 7 minus sign log space 1 comma 1 right parenthesis pOH equals 7 plus log space 1 comma 1 end style    

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Larutan basa kuat monoprotik sebanyak 100 mL memiliki pH = 10 + log 4. Konsentrasi dari basa tersebut sebesar ….

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