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Question: Answered & Verified by Expert
The pH of a solution which is three times as acidic as pure water is
ChemistryIonic EquilibriumNEET
Options:
  • A 6.7
  • B 3.5
  • C 7.0
  • D 6.523
Solution:
1628 Upvotes Verified Answer
The correct answer is: 6.523
In H2O,[H3O+]=1×10-7M
So [H3O+]soln.=3×10-7M
pH=-log[H3O+]
or pH=-log(3×10-7)
=-0.477-(-7)=6.523

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