The specific electrical conductivity of 0.0109 N NH4OH at 18°C ϰ =1.02⋅10-4 Ohm-1⋅cm-1, and the specific electrical conductivity of 0.0219 N NH4OH at the same temperature χ = 1.50⋅10-4 Ohm -1⋅cm-1. Calculate for the indicated solutions the degree of dissociation α and the concentration of hydroxyl ions СОН. λ0OH-=174 Ohm-1⋅cm2.

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