Which of the following sets of ions is present in sodium sulfate,Na₂SO₄? A) Na⁺,S²⁻,and O²⁻ B) Na⁺,S²⁺,and O²⁻ C) Na⁺ and SO₄²⁻ D) Na⁺,S²⁻,and O²⁺ E) Na⁺ and SO₄−

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Sodium sulfate contains the ions Na+ (sodium), SO42- (sulfate), and H2O (water). The given options include other ions such as P (phosphorus) and S1U1B12S1S1P0 (unknown ion) which are not present in sodium sulfate. Option C includes NaS1U1P1+S1S1P0 (sodium hydrogen sulfate) which is an alternative name for sodium bisulfate, which is a common impurity in sodium sulfate. The option also includes the correct ions SO42- and H2O.

Which of the Following Sets of Ions Is Present in Sodium