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29-02-2024
Chemistry

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What is the net ionic equation for the reaction of the slightly soluble salt CaS with acid?
A) CaS + 2HCl → CaCl₂ + H₂S
B) CaS + HCl → CaCl₂ + H₂S
C) CaS + 2H⁺ → Ca²⁺ + H₂S
D) CaS + 2H⁺ + 2Cl⁻ → Ca²⁺ + 2Cl⁻ + H₂S

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