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

 
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.

Grade:12th pass

1 Answers

Shivangi Khatter
askIITians Faculty 468 Points
5 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

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