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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 58 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
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karlynnae

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Reply 2 on: Jul 8, 2021
:D TYSM

pangili4

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Reply 3 on: Yesterday
Excellent

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