There are 3 Na, 3 O, and 3 H since you distribute the coefficient 3 to all atoms. So, if you add them up, there are 9 atoms in that compound. Hope that helps!
Answer:-
Chlorine gas is passed through a solution of flower to
<u>decolourise the flower</u>
<u></u>
Explanation:
Chlorine is used as a bleaching agent because of its oxidising nature.
![Cl_{2}+H_{2}O\rightarrow HCl +HOCl](https://tex.z-dn.net/?f=Cl_%7B2%7D%2BH_%7B2%7DO%5Crightarrow%20HCl%20%2BHOCl)
![HOCl\rightarrow H_{2}+O](https://tex.z-dn.net/?f=HOCl%5Crightarrow%20H_%7B2%7D%2BO)
This nascent "O" is highly reactive in nature and bleaches the substance that comes into its contact.
when flowers are passed through the chlorine solution , it oxidises the solution and removes the colour from the flower.
This property also made its use as water-disinfectant reagent.
Chlorination is done to make the water useful for drinking
It kills the harmful bacteria present in the water.
You can start by writing out the molecular formula of each molecule.
Aluminum (Al 3+) Phosphate (PO4 3-)
AlPO4
Nickel II (Ni 2+) sulfide (S 2-)
NiS
Aluminum Sulfide
Al2S3
Nickel Phosphate
Ni3(PO4)2
If you’re wondering, we get those charges by looking at the periodic table. The metals usually have a + charge based on their group number. The nonmetals usually - charge egual to 8 - their group number.
You then balance the ions by flipping the charges, dropping the signs, and adding them in as subscripts.
Now we can put it into an equation
AlPO4 + NiS —-> Al2S3 + Ni3(PO4)2
Balance by adding coefficients
2 AlPO4 + 3 NiS —-> Al2S3 + Ni3(PO4)2
C.
According to le chatelier's principle, the equilibrium will shift right and thus increase the concentration of N2.