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Author Question: A solution of hydrochloric acid of unknown concentration was titrated with 0.10 M NaOH. If a 100.-mL ... (Read 55 times)

jenna1

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on: Mar 21, 2021

Question 1

A solution contains 25 mmol of H3PO4 and 10. mmol of NaH2PO4. What volume of 2.0 M NaOH must be added to reach the second equivalence point of the titration of the H3PO4 with NaOH?

◦ 5.0 mL
◦ 12 mL
◦ 25 mL
◦ 30. mL
◦ 60. mL

Question 2

A solution of hydrochloric acid of unknown concentration was titrated with 0.10 M NaOH. If a 100.-mL sample of the HCl solution required exactly 10. mL of the NaOH solution to reach the equivalence point, what was the pH of the HCl solution?

◦ 12.0
◦ 2.0
◦ 0.0
◦ 4.0
◦ 8.0
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Marked as best answer by jenna1 on Mar 21, 2021

Jbrasil

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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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jenna1

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Reply 2 on: Mar 21, 2021
YES! Correct, THANKS for helping me on my review

amynguyen1221

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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