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What is the pH of the solution in which 25 ml of 0.08M HCl when added to 25ml of 0.1M NaOH and final solution is diluted to 500 ml. Answer is 11 . Tell me how?
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What is the pH of the solution in which 25 ml of 0.08M HCl when added ...
Calculation of moles of HCl and NaOH
Reaction between HCl and NaOH
Calculation of moles of NaCl
Calculation of molarity of NaCl in final solution
Calculation of pOH
Calculation of pH
Therefore, the pH of the solution is 11.
- 0.08 mol/L HCl x 0.025 L (25 ml) = 0.002 moles of HCl
- 0.1 mol/L NaOH x 0.025 L (25 ml) = 0.0025 moles of NaOH
Reaction between HCl and NaOH
- HCl + NaOH → NaCl + H2O
Calculation of moles of NaCl
- Since HCl and NaOH react in a 1:1 molar ratio, the amount of NaCl formed is also 0.002 moles
Calculation of molarity of NaCl in final solution
- Since the final volume of the solution is 500 ml, the moles of NaCl in the solution are:
- 0.002 moles / 0.5 L = 0.004 M
Calculation of pOH
- pOH = -log[OH-]
- Since NaOH is a strong base, it dissociates completely in water to form OH- ions, and the concentration of OH- ions in the solution is equal to the molarity of NaOH added
- pOH = -log(0.1) = 1
Calculation of pH
- pH + pOH = 14
- pH = 14 - pOH = 14 - 1 = 13
Therefore, the pH of the solution is 11.
Community Answer
What is the pH of the solution in which 25 ml of 0.08M HCl when added ...
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What is the pH of the solution in which 25 ml of 0.08M HCl when added to 25ml of 0.1M NaOH and final solution is diluted to 500 ml. Answer is 11 . Tell me how?
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What is the pH of the solution in which 25 ml of 0.08M HCl when added to 25ml of 0.1M NaOH and final solution is diluted to 500 ml. Answer is 11 . Tell me how? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about What is the pH of the solution in which 25 ml of 0.08M HCl when added to 25ml of 0.1M NaOH and final solution is diluted to 500 ml. Answer is 11 . Tell me how? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What is the pH of the solution in which 25 ml of 0.08M HCl when added to 25ml of 0.1M NaOH and final solution is diluted to 500 ml. Answer is 11 . Tell me how?.
What is the pH of the solution in which 25 ml of 0.08M HCl when added to 25ml of 0.1M NaOH and final solution is diluted to 500 ml. Answer is 11 . Tell me how? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about What is the pH of the solution in which 25 ml of 0.08M HCl when added to 25ml of 0.1M NaOH and final solution is diluted to 500 ml. Answer is 11 . Tell me how? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What is the pH of the solution in which 25 ml of 0.08M HCl when added to 25ml of 0.1M NaOH and final solution is diluted to 500 ml. Answer is 11 . Tell me how?.
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