One Step in the Isolation of Pure Rhodium Metal (Rh)is

question 6

Multiple Choice

One step in the isolation of pure rhodium metal (Rh) is the precipitation of rhodium(III) hydroxide from a solution containing rhodium(III) sulfate according to the following balanced chemical equation: Rh₂(SO₄) ₃(aq) + 6NaOH(aq) → 2Rh(OH) ₃(s) + 3Na₂SO₄(aq)
If 3.10 g of rhodium(III) sulfate reacts with excess sodium hydroxide,what mass of rhodium(III) hydroxide may be produced?

• A) 1.93 g
• B) 6.20 g
• C) 3.10 g
• D) 0.483 g
• E) 3.86 g

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Definitions:

Mineral

In the diet, an element that is required in small amounts for normal metabolism.

Bones

Hard, dense connective tissue that forms the structural elements of the skeleton in vertebrates, providing support and protection.

Motor Neuron

Neuron that controls a muscle or gland.

Muscle Unit

Refers to a motor unit, the smallest functional element of a muscle, consisting of a motor neuron and the skeletal muscle fibers it innervates.