Calculate the pH of 4gm NaOH / litre
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Answered by
18
Moles of NaOH = 4g / (40 g/mol) = 0.1 mol
Molarity of NaOH = 0.1 mol / 1 Litre = 0.1 molar
[OH-] = 0.1
pOH = -log[OH-]
= - log(0.1)
= 1
pH = 14 - pOH
= 14 - 1
= 13
pH of given NaOH solution is 13
Molarity of NaOH = 0.1 mol / 1 Litre = 0.1 molar
[OH-] = 0.1
pOH = -log[OH-]
= - log(0.1)
= 1
pH = 14 - pOH
= 14 - 1
= 13
pH of given NaOH solution is 13
Answered by
0
Answer:
It is 11
Explanation:
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