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Which of the following compounds are soluble in aqueous solutions? Select ALL that are soluble.
Group of answer choices

CaSO4

Mg(OH)2

K2S

Pb(ClO4)2

CoCO3

Respuesta :

nkirotedoreen46

Answer:

  • K₂S
  • CaSO₄ (slightly soluble in water)
  • Pb(ClO₄)₂

Explanation:

  • Mg(OH)₂  and CoCO₃ are insoluble in water.
  • Solubility rules are used to determine whether a compound will be soluble or not soluble in aqueous form.
  • K₂S is soluble in aqueous solutions as all salts of Potassium are soluble in water.
  • Calcium (ii) sulfate is slightly soluble in water.
  • Hydroxides are insoluble in water except, KOH, NaOH and NH₄OH.and Barium hydroxide. Therefore, Mg(OH)₂ is an insoluble hydroxide.
  • CoCO₃ is insoluble since carbonates are insoluble except K₂CO₃, Na₂CO₃ and (NH₄)₂CO₃. .
  • Pb(ClO₄)₂ is soluble because all perchlorates are soluble.

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