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Grade 12th passPhysical Chemistry

100 ml of one normal HCl is mixed with 100 ml of NaOH solution containing 32gof NaOH per litre. The pH value of the resultant solution is.

Profile image of Sreelakshmi A
7 Years agoGrade 12th pass
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1 Answer

Profile image of Shivangi Khatter
7 Years ago
HCL + NaOH → NaCl + H2O
0.1 moles 0.8 moles before reaction
– 0.7 moles 0.1 mole 0.1 moles after treaction

pH is -log[H+] =14 – [-log0.7 ] = – (log7 – 1) = 13.8