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Zanzabum
3 years ago
12

If you dissolve 3.5 moles of cacl2 in solution how many moles of ca2+ ions and cl- ions will there be in the solution

Chemistry
1 answer:
Wittaler [7]3 years ago
8 0
Balanced chemical reaction (dissociation) : CaCl₂(aq)  → Ca²⁺(aq) + 2Cl⁻(aq).
n(CaCl₂) = 3,5 mol.
From chemical reaction: n(CaCl₂) : n(Ca²⁺) = 1 : 1.
n(Ca²⁺) = 3,5 mol.
From chemical reaction: n(CaCl₂) : n(Cl⁻) = 1 : 2.
n(Cl⁻) = 2 · 3,5 mol.
n(Cl⁻) =  7 mol.
Calcium chloride is salt that completely dissociate in water on calcium cations and chlorine anions.
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