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Author Question: A solution containing 10. mmol of and 5.0 mmol of is titrated with 1.1 M HCl. What volume of HCl ... (Read 69 times)

D2AR0N

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on: Mar 21, 2021

Question 1

A certain indicator HIn has a pKa of 9.00 and a color change becomes visible when 7.00% of it is In–. At what pH is this color change visible?

◦ 10.2
◦ 3.85
◦ 6.15
◦ 7.88
◦ None of these are correct.

Question 2

A solution containing 10. mmol of and 5.0 mmol of is titrated with 1.1 M HCl. What volume of HCl must be added to reach the first equivalence point?

◦ 4.5 mL
◦ 9.1 mL
◦ 14.1 mL
◦ 19.1 mL
◦ 24.1 mL
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Marked as best answer by D2AR0N on Mar 21, 2021

6ana001

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Reply #1 on: Mar 21, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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D2AR0N

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Reply 2 on: Mar 21, 2021
Thanks for the timely response, appreciate it

xiazhe

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Reply 3 on: Yesterday
Excellent

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