In titrating 100 mL of 0.10 M HCl (aq) with 0.10 M NaOH, the pH ...

[sabina]

Question 1

In titrating 0.20 M hydrochloric acid, HCl, with 0.20 M NaOH at 25°C, the solution at the equivalence point is

◦ 0.20 M NaCl
◦ very acidic
◦ slightly acidic
◦ 0.10 M HCl and 0.20 M NaOH
◦ 0.10 M NaCl

Question 2

In titrating 100 mL of 0.10 M HCl (aq) with 0.10 M NaOH, the pH does not change a great deal initially. Why is this?

◦ The amount of OH^–has no effect on the pH of aqueous solutions.
◦ The H⁺ from the HCl (aq) acts like a buffer.
◦ The major species when the acid and base are mixed form a buffered solution.
◦ The statement “In titrating 100 mL of 0.10 M HCl (aq) with 0.10 M NaOH, the pH does not change a great deal initially.” is not true.
◦ None of these are correct.

[yifu223]

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[sabina]

Thanks for the timely response, appreciate it

[irishcancer18]

Gracias!