When the hydrogen ion concentration changes by a factor of 1000 , the value of of the solution
increases by 2 units
increases by 1000 units
decreases by 2 units
decreases by 3 units
If then decreases by 3 units.
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50 mL of 0.2 M ammonia solution is treated with 25 mL of 0.2 M HCl. If pKb of ammonia solution is 4.75, the pH of the mixture will be : Option: 1 3.75 Option: 2 4.75
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