esperanzar3034
26.09.2019 •
Chemistry
How many moles of ions are released when 0.27 mol of cobalt (ii) chloride, cocl2, is dissolved in water?
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Ответ:
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
Ответ:
15 sec
Explanation: