Let's look first at the compound HCl. Based on what you learned in the Compounds and Bonds Section, recall that this is an ionic compound. Since hydrogen (H) has one valence electron and chlorine (Cl) has seven, both readily ionize and form an ionic compound. In this process, hydrogen forms the cation H+, which is just a proton. Chlorine becomes the anion Cl-. Look at what happens when HCl is dissolved in water:
HCl + H2O → Cl- + H3O+
This shows us that HCl reacts in water to form Cl- and H3O+. HCl is a type of acid called hydrochloric acid. When it dissolves in water, it breaks down into its constituent ions, H+ and Cl-. While the Cl- ion remains by itself in solution, the newly released H+ ion attaches itself to a water molecule and forms H3O+. Since a water molecule is made of 2 hydrogen atoms combined with one oxygen atom, when we add a hydrogen atom, it then becomes 3 hydrogen atoms and 1 oxygen atom, or goes from H2O to H3O+.
In other words, HCl donates hydrogen ions to water molecules, and since HCl donates hydrogen ions, it is therefore an acid. With this example in mind, we sometimes define an acid also as a substance that increases the concentration of H+ or H3O+ ions in a solution.
This content came to you by courtesy of an Advanced Academics student. See if Pivot is the right school for you by clicking the related link.
Water, H+ and Cl- ions.
A salt, acid or base which can be dissociated in ions in an aqueous solution.
Exo-osmosis of the bacterial cell takes place, the cell plasmolised & cell can die.
Water would exit the cell causing the cell to shrink until an equilibrium is reached.
it is placed in a buffer solution of 7.0 then it is placed in a buffer having pH 4.0
A red blood cell, when placed in 50% NaCl solution, will shrink as the water contained in it will be sucked into the surrounding solution doe to the osmotic pressure difference.
A toxicity equivalent in 0.2 solution is hyper-tonic.
electrode
it melts
You need dayan 2 hours
salt or a water solution containing alot of salt
acid or acidic
A salt, acid or base which can be dissociated in ions in an aqueous solution.
The plant cell would shrink but remain its shape.
It loses water
The molecules of copper sulphate solution mixes with the water molecules due to diffusion thereby making the water blue.
well it would be that their is an equal amount of solution inside and outside the cell. it is neither hypotonic or hypertonic. it is balanced or equal.
htpotonic