Thewater of hydration x in narceine. xH₂O is 3
<h3>
What is Water of Hydration?</h3>
- In chemistry, water molecules found inside crystals are referred to as "water of crystallization" or "water of hydration." When crystals are formed from aqueous solutions, water is frequently included.
- The entire mass of water in a substance at a specific temperature is sometimes referred to as water of hydration, and it is typically present in a stoichiometric ratio.
- The term "water of crystallization" has historically been used to describe water that is not physically linked to the metal cation but is present in the crystalline structure of a metal complex or salt.
- Many chemicals include water molecules in their crystalline structures when they crystallize from water or solvents that contain water. Heating a sample usually removes the water of crystallization, but the crystalline qualities are frequently lost.
Given that hydrate is 10.8% by mass
molar mass = 499.52 g/mol
calculating the amount of water
mass of water = 
mass of water = 53.95 g
moles of water = 
moles of water = 
= 3
then the water of hydration x in narceine. xH₂O is 3
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Compounds having covalent bonds are dinitrogen trioxide, carbon dioxide.
compounds having ionic bonds are calcium chloride, Magnesium nitride, sodium bromide, aluminum oxide.
Explanation:
When a positive charged cation gets bonded with negative charge anion by transferring its electrons the ionic bonds are formed. It is seen between metals and non-metals.
In covalent bonds the electrons are shared equally between two atoms. It is generally seen bonds between 2 non metals.
Dinitrogen trioxide : It is a covalent compound as bonding between two non metals is there ie nitrogen and oxygen.
In carbon dioxide carbon has four electrons in outermost shell which have strong attraction with nucleus cannot be lost neither it can accommodate 4 electrons to stabilize the valence shell. Thus sharing takes place and its covalent bonding.
In calcium chloride ionic bond is formed because calcium gives 2 electrons to each of the chloride atoms and thus gets 2+ charge on calcium. Sharing of electrons let the octet complete.
Magnesium nitride is formed when Mg loses 2 electrons to complete octet and nitride gains 3 electrons. The electrostatic attraction causes ionic bonding in it.
sodium bromide: Bromine is electronegative i.e electron donor and sodium is highly electrospositive hence sharing of electrons would cause electrostatic attraction between them.
aluminum oxide : The ideal situation of ionic bonds that is between metal and non-metals is present in aluminum oxide.
<span> The wave idea derives from the electrons' behavior about the nucleus of an atom, and it follows Heisenberg's Uncertainty Principle and draws away from Bohr's planetary model of the atom.</span>
