The solubility of Cr(NO3)3 . 9 H2O in water is 208 g per 100 gof water at 15 °C. A solution of Cr(NO3)3 # 9 H2O in water at35 °C is formed by dissolving 324 g in 100 g of water. Whenthis solution is slowly cooled to 15 °C, no precipitate forms.(a) Is the solution that has cooled down to 15 °C unsaturated,saturated, or supersaturated? (b) You take a metal spatulaand scratch the side of the glass vessel that contains thiscooled solution, and crystals start to appear. What has justhappened? (c) At equilibrium, what mass of crystals do youexpect to form?
Ionic Equilibrium
Chemical equilibrium and ionic equilibrium are two major concepts in chemistry. Ionic equilibrium deals with the equilibrium involved in an ionization process while chemical equilibrium deals with the equilibrium during a chemical change. Ionic equilibrium is established between the ions and unionized species in a system. Understanding the concept of ionic equilibrium is very important to answer the questions related to certain chemical reactions in chemistry.
Arrhenius Acid
Arrhenius acid act as a good electrolyte as it dissociates to its respective ions in the aqueous solutions. Keeping it similar to the general acid properties, Arrhenius acid also neutralizes bases and turns litmus paper into red.
Bronsted Lowry Base In Inorganic Chemistry
Bronsted-Lowry base in inorganic chemistry is any chemical substance that can accept a proton from the other chemical substance it is reacting with.
The solubility of Cr(NO3)3 . 9 H2O in water is 208 g per 100 g
of water at 15 °C. A solution of Cr(NO3)3 # 9 H2O in water at
35 °C is formed by dissolving 324 g in 100 g of water. When
this solution is slowly cooled to 15 °C, no precipitate forms.
(a) Is the solution that has cooled down to 15 °C unsaturated,
saturated, or supersaturated? (b) You take a metal spatula
and scratch the side of the glass vessel that contains this
cooled solution, and crystals start to appear. What has just
happened? (c) At equilibrium, what mass of crystals do you
expect to form?
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