What Is the Concentration of Ni²⁺ If 0

question 4

Multiple Choice

What is the concentration of Ni²⁺ if 0.223 g of NiCl₂ is dissolved in 250.0 mL of 0.760 M NH₃? Kf ([Ni(NH₃) ₆]²⁺) = 5.5 × 10⁸

• A) 6.9 × 10^-3 M
• B) 7.6 × 10^-11 M
• C) 1.3 × 10^-11 M
• D) 9.7 × 10^-11 M
• E) 1.4 × 10^-11 M

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Definitions:

Radial Cleavage

The pattern of blastomere production in which the cells are located directly above or below one another; characteristic of early deuterostome embryos. Compare with spiral cleavage.

Abdominal Cavity

A body cavity in vertebrates that houses many organs, enclosed by the abdominal muscles and containing the stomach, intestines, liver, and other organs.

Coelom

A fluid-filled body cavity between the intestinal canal and the body wall in most bilateral animals, housing organs.

Pseudocoelom

A body cavity between the mesoderm and endoderm; derived from the blastocoel. Compare with coelom.