Question & Answer: An aqueous solution of rubidium sulfate contains 0.37 M rubidium ions. If the solution…..

An aqueous solution of rubidium sulfate contains 0.37 M rubidium ions. If the solution contains no substances other than rubidium sulfate and water, what is the concentration of sulfate ions in the solution?

Expert Answer

Answer

The chemical formula of Rubidium sulfate is Rb₂SO₄.

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Question & Answer: An aqueous solution of rubidium sulfate contains 0.37 M rubidium ions. If the solution…..

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This means 1 mole of this compound produces 2 moles of rubidium ions in the solution and 1 mole of sulfate ions.

So,

Conc. of sulfate ions = 0.5*[Rb²⁺] = 0.5*0.37 = 0.185 M

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