123. Задачка по химии №012 336

2. How many grams of Co(NO3)2∙6H2O crystalline hydrate must be dissolved in 500 g of water to obtain a 10% solution of Co(NO3)2? The density of the resulting solution is 1.120 g/ml. Find the molar and normal concentration of this solution. Calculate the active concentration of NO3- ions in the solution.

If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.