Which of the following statements is/are correct ? 20.0 mL of 6.0 M HCl is mixed with…
Chemistry · JEE Advanced · NTA Exams — Some Basic Concepts in Chemistry
Which of the following statements is/are correct ?
20.0 mL of 6.0 M HCl is mixed with 50.0 mL of 2.0 M Ba(OH)2, and 30 mL of water is added.
20.0 mL of 6.0 M HCl is mixed with 50.0 mL of 2.0 M Ba(OH)2, and 30 mL of water is added.
- The concentration \(\mathrm{OH}^{-}\) remaining in solution is 0.8 M.
- The concentration of \(\mathrm{Cl}^{-}\) remaining in solution is 1.2 M.
- The concentration of Ba2+ remaining in solution is 1.0M
- 80 mmoles of \(\mathrm{OH}^{-}\) is in excess.
Answer
(A) The concentration OH ^ - remaining in solution is 0.8 M., (B) The concentration of Cl ^ - remaining in solution is 1.2 M., (C) The concentration of Ba 2+ remaining in solution is 1.0M, (D) 80 mmoles of OH ^ - is in excess.
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