Ph of 10^-9m hcl?????????????????
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10^-9 M = 10^-9 moles of HCl in 1 litre of aqueous solution.
[H+] = 10^-9
Also,
H₂O <==> H+ + OH-
[H+] = 10^-7
Total [H+] = 10^-9 + 10^-7
pH = -log [H+]
= - log [10^-9 + 10^-7]
= 6.99
pH of given HCl solution is 6.99
[H+] = 10^-9
Also,
H₂O <==> H+ + OH-
[H+] = 10^-7
Total [H+] = 10^-9 + 10^-7
pH = -log [H+]
= - log [10^-9 + 10^-7]
= 6.99
pH of given HCl solution is 6.99
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