Chemistry, 11.03.2020 06:08 22ksotoq

When concentrated H2SO4 (18M) is added to a saturated solution of sodium sulfate, a white precipitate is formed. Write a net-ionic equation for the equilibrium in saturated sodium sulfate, and explain the change in terms of Le Chatelier’s principle. Choose the best answer.

2Na+(aq) + SO42-(aq) + 2H+(aq) + SO42+(aq) ⇔ Na2SO4(s).
Excess SO42-(aq) (beyond saturation) from the sulfuric acid causes the reaction to shift to the right and solid sodium sulfate to form.

2Na+(aq) + SO42-(aq) +H2SO4(aq) ⇔ Na2SO4(s).
Excess SO42-(aq) (beyond saturation) from the sulfuric acid causes the reaction to shift to the left and solid sodium sulfate to dissolve.

Correct Response

2Na+(aq) + SO42-(aq) ⇔ Na2SO4(s).
Excess SO42- (beyond saturation) from the sulfuric acid causes the reaction to shift to the right and solid sodium sulfate to form.

Na+(aq) + SO4-(aq) ⇔ NaSO4(s).
Excess SO42-(aq) (beyond saturation) from the sulfuric acid causes the reaction to shift to the left and solid sodium sulfate to dissolve.

Na+(aq) + SO4-(aq) ⇔ NaSO4(s).
Excess SO42- (beyond saturation) from the sulfuric acid causes the reaction to shift to the right and solid sodium sulfate to form.

2Na+(aq) + SO42-(aq) +H2SO4(aq) ⇔ Na2SO4(s).
Excess SO42- (beyond saturation) from the sulfuric acid causes the reaction to shift to the right and solid sodium sulfate to form.

2Na+(aq) + SO42-(aq) ⇔ Na2SO4(s).
Excess SO42-(aq) (beyond saturation) from the sulfuric acid causes the reaction to shift to the left and solid sodium sulfate to dissolve.

2Na+(aq) + SO42-(aq) + 2H+(aq) + SO42+(aq) ⇔ Na2SO4(s).
Excess SO42-(aq) (beyond saturation) from the sulfuric acid causes the reaction to shift to the left and solid sodium sulfate to dissolve

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