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Author Question: What is the [HPO4-2] of a solution labeled "0.10 M phosphoric acid"? [Ka1 = 7.1 10-3; Ka2 = 6.3 ... (Read 57 times)

karlynnae

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on: Jul 8, 2021

Question 1

What is the [H2PO4-] of an aqueous solution labeled "0.10 M phosphoric acid"?

[Ka1 = 7.1 × 10-3; Ka2 = 6.3 × 10-8; Ka3 = 4.2 × 10-13]

◦ 0.023 M
◦ 6.3 × 10-8 M
◦ 7.1 × 10-3 M
◦ 4.2 × 10-13 M
◦ 0.013 M

Question 2

What is the [HPO4-2] of a solution labeled "0.10 M phosphoric acid"?

[Ka1 = 7.1 × 10-3; Ka2 = 6.3 × 10-8; Ka3 = 4.2 × 10-13]

◦ 4.2 × 10-13 M
◦ 6.3 × 10-8 M
◦ 7.1 × 10-3 M
◦ 1.6 × 10-9 M
◦ 1.6 × 10-16 M
General Chemistry: Principles and Modern Applications ¦ Petrucci, Herring, Madura, Bissonnette ¦ 11th Edition
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Marked as best answer by karlynnae on Jul 8, 2021

kingdude89

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Reply #1 on: Jul 8, 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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karlynnae

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Reply 2 on: Jul 8, 2021
YES! Correct, THANKS for helping me on my review

pratush dev

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Reply 3 on: Yesterday
Wow, this really help

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