A reactant since it is on the left of the arrow
Answer:
![m=5.78\times 10^{-3}\ g](https://tex.z-dn.net/?f=m%3D5.78%5Ctimes%2010%5E%7B-3%7D%5C%20g)
is the no. of electrons
Explanation:
Given:
- quantity of charge transferred,
![Q=31\ C](https://tex.z-dn.net/?f=Q%3D31%5C%20C)
<u>No. of electrons in the given amount of charge:</u>
As we have charge on one electron ![1.602\times 10^{-19}\ C](https://tex.z-dn.net/?f=1.602%5Ctimes%2010%5E%7B-19%7D%5C%20C)
so,
![n_e=\frac{Q}{e}](https://tex.z-dn.net/?f=n_e%3D%5Cfrac%7BQ%7D%7Be%7D)
![n_e=\frac{31}{1.602\times 10^{-19}}](https://tex.z-dn.net/?f=n_e%3D%5Cfrac%7B31%7D%7B1.602%5Ctimes%2010%5E%7B-19%7D%7D)
is the no. of electrons
- Now if each water molecules donates one electron:
Then we require
molecules.
<u>Now the no. of moles in this many molecules:</u>
![n_m=\frac{n}{N_A}](https://tex.z-dn.net/?f=n_m%3D%5Cfrac%7Bn%7D%7BN_A%7D)
where
Avogadro No.
![n_m=\frac{1.935\times 10^{20}}{6.022\times 10^{23}}](https://tex.z-dn.net/?f=n_m%3D%5Cfrac%7B1.935%5Ctimes%2010%5E%7B20%7D%7D%7B6.022%5Ctimes%2010%5E%7B23%7D%7D)
![n_m=3.213\times 10^{-4}\ moles](https://tex.z-dn.net/?f=n_m%3D3.213%5Ctimes%2010%5E%7B-4%7D%5C%20moles)
- We have molecular mass of water as M=18 g/mol.
<u>So, the mass of water in the obtained moles:</u>
![n_m=\frac{m}{M}](https://tex.z-dn.net/?f=n_m%3D%5Cfrac%7Bm%7D%7BM%7D)
where:
m = mass in gram
![3.213\times 10^{-4}=\frac{m}{18}](https://tex.z-dn.net/?f=3.213%5Ctimes%2010%5E%7B-4%7D%3D%5Cfrac%7Bm%7D%7B18%7D)
![m=5.78\times 10^{-3}\ g](https://tex.z-dn.net/?f=m%3D5.78%5Ctimes%2010%5E%7B-3%7D%5C%20g)
A mountain range because an ocean ridge is an underwater mountain hope this helps you
Answer:
The force of gravity is not the same as being on the earth. when your on the earth there no gravitational pull its all up to the air
Explanation:
No explanation