1.

The pH of a solution is 6.06. Calculate its [H3O+] ion concentration.

Answer»

Given : 

pH = 6.06, [H3O+] = ? 

PH = -log10[H3O+

∴ log10[H3O+] = -pH

∴ [H3O+] = Antilog – pH 

= Antilog – 6.06 

= Antilog \(\bar 7.94\)

= 8.714 × 10-7 M

∴ [H3O+] = 8.714 × 10-7 M



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