Copper(II) Sulfide, CuS, Is Used in the Development of Aniline

question 44

Multiple Choice

Copper(II) sulfide, CuS, is used in the development of aniline black dye in textile printing. What is the maximum mass of CuS which can be formed when 38.0 mL of 0.500 M CuCl₂ are mixed with 42.0 mL of 0.600 M (NH₄) ₂S? Aqueous ammonium chloride is the other product.

• A)2.41 g
• B)1.82 g
• C)1.21 g
• D)0.909 g
• E)0.044 g

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Definitions:

Raney Nickel

A finely divided nickel alloy used as a catalyst in hydrogenation and other chemical reactions.

MgBr

Magnesium bromide is a chemical compound consisting of magnesium and bromine, often used in organic synthesis as a Grignard reagent.

Organic Product(s)

Substances derived from living organisms or containing carbon compounds.

Major

In the context of chemistry and reactions, "major" refers to the primary or most abundant product or outcome in a mixture of several possible results.