How many moles of ions are released when 0.27 mol of cobalt (ii) chloride, cocl2, is dissolved in water?

Question

Chemistry

Joel Wilson

7 October, 20:41

How many moles of ions are released when 0.27 mol of cobalt (ii) chloride, cocl2, is dissolved in water?

+5

Answers (1)

Know the Answer?

Mckinley Hammond · Answer 1

CoCl₂ (s) → Co²⁺ (aq) + 2Cl⁻ (aq)

n (CoCl₂) = 0.27 mol

n (Co²⁺) = n (CoCl₂)

n (Cl⁻) = 2n (CoCl₂)

n=n (Co²⁺) + n (Cl⁻) = 3n (CoCl₂)

n=3*0.27=0.81 mol