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Author Question: What is the concentration of Zn2+(aq) if 0.254 g of ZnCl2(s) is dissolved in 200.0 mL of 2.00 M ... (Read 22 times)

codyclark

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on: Jul 8, 2021

Question 1

What is the concentration of Ni2+(aq) if 0.223 g of NiCl2(s) is dissolved in 250.0 mL of 0.760 M NH3(aq)?

Kf ([Ni(NH3)6]2+) = 5.5 × 108

◦ 6.9 × 10-3 M
◦ 7.6 × 10-11 M
◦ 1.3 × 10-11 M
◦ 9.7 × 10-11 M
◦ 1.4 × 10-11 M

Question 2

What is the concentration of Zn2+(aq) if 0.254 g of ZnCl2(s) is dissolved in 200.0 mL of 2.00 M NH3(aq)?

Kf ([Zn(NH3)4]2+) = 4.1 × 108

◦ 0.0093 M
◦ 1.5 × 10-12 M
◦ 2.4 × 10-9 M
◦ 2.3 × 10-12 M
◦ 0.0019 M
General Chemistry: Principles and Modern Applications ¦ Petrucci, Herring, Madura, Bissonnette ¦ 11th Edition
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Marked as best answer by codyclark on Jul 8, 2021

Eunice618

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Reply #1 on: Jul 8, 2021
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codyclark

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Reply 2 on: Jul 8, 2021
Great answer, keep it coming :)

vickyvicksss

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Reply 3 on: Yesterday
Wow, this really help

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