15. In expirement 8, you used a serial titration method to titrate an unknown sa

Question

15. In expirement 8, you used a serial titration method to titrate an unknown sample of HCl with 0.10 M NaOH using a BTB indicator. Suppose the unknown had a concentration of 0.45 M.

(a) Explain what you would observe in each of the wells visually at the end of the expirement.

(b) Use a chemical equation and appropriate calculations to explain your answer to part (a).

In Experiment 8. you used the serial titration method to filtrate an unknown sample of HCI with 0.10 M NaOH using a BTB indicator Suppose the unknown had a concentration of 0 45 M Explain what you would observe in each of the wells visually al the end of the experiment Use a chemical equation and appropriate calculations to explain you answer to part a.

Explanation / Answer

A) At the end point total NaOH, is neutralized by HCl solution .

B) HCl + NaOH - ---> NaCl + H2O

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