Covalent bonds keep the hydrogen and oxygen atoms together
When Na3po4 dissolves in water to produce an electrolytic solution. The osmolarity of a 2. 0 × 10-3 m Na3po4 solution is 0.008osmol/L.
Osmolarity is defined as the number of osmoles of solute particles per unit volume of the solution.
In other words osmolarity is the multiple if molarity
Osmolarity = i× molarity
Here i represents the van't Hoff factor,
⇒ 
3 Moles of 
+ 1 mole 
= 4
The number of moles of particles of solute produced in solution are actually called osmoles.
As a result, the van't Hoff factor will be equal to
i=4 Moles ions produced (osmoles) 1mole 
.dissolved =4
Since we know that,
= 
Osmolarity =
= 
Thus, the Osmolarity of given solution is 0.008 osmol/L.
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The crackling sound Is mainly to do with chemistry, The fireworks are filled with lead oxide, which turns into lead atoms as the firework explodes and heat up—— whistling sounds, the whistle is down to the tube being narrow one, thus rockets make a whistling noise
electrical energy
Explanation:
electrical energy is caused by moving partial that have a negative or positive charge these purses are called electron current electricity is electrical energy that flows from one place to another usually through a wire electricity is a type of energy that comes from an electrical energy
1. Which of the following is not true of a covalent compound?
<span>It is made of only nonmetals.
</span><span>2. What type of compound is almost always found as a solid?
</span>Ionic compound is almost always found as a solid because they have very tightly bound structures.
<span>3. Which of the following is not a characteristic of an ionic compound?
</span><span>It is formed when atoms share electrons.
</span>4. Covalent compounds are formed when
<span>a nonmetal bonds with a nonmetal.
</span><span>5. What is the relationship between a compound and the elements it is made from?
</span>The compound may have properties that are very different from those of the elements.
