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

question 31

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 3.20 g of rhodium(III) sulfate reacts with excess sodium hydroxide,what mass of rhodium(III) hydroxide may be produced?

• A)1.99 g
• B)6.4 g
• C)3.2 g
• D)0.498 g
• E)3.98 g

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