In salt water solution,the salt is the blank

Answer:

The ion is written in the attached file

Explanation:

Final answer:

The most typical ions formed by K, Ca, and S are K+, Ca2+, and S2-, respectively.

Explanation:

The symbol of the ion most typically formed by each of the elements can be determined by looking at their positions on the periodic table and considering their electron configuration.

1. K (Potassium): The most typical ion formed by potassium is K+ (Potassium ion). Potassium has one valence electron in its outermost shell, and it tends to lose this electron to form a stable ion.
2. Ca (Calcium): The most typical ion formed by calcium is Ca2+ (Calcium ion). Calcium has two valence electrons in its outermost shell, and it tends to lose these electrons to achieve stability.
3. S (Sulfur): The most typical ion formed by sulfur is S2- (Sulfide ion). Sulfur has six valence electrons in its outermost shell, and it tends to gain two electrons to achieve stability.

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The definition of solubility is the maximum quantity of solute that can dissolve in a certain quantity of solvent or quantity of solution at a specified temperature or pressure (in the case of gaseous solutes). For Gases, solubility decreases as temperature increases (duh...you have seen water boil, right?) The physical reason for this is that when most gases dissolve in solution, the process is exothermic. This means that heat is released as the gas dissolves. This is very similar to the reason that vapor pressure increases with temperature. Increased temperature causes an increase in kinetic energy. The higher kinetic energy causes more motion in the gas molecules which break intermolecular bonds and escape from solution. Do you need any more?