The volume required : 0.2 L
<h3>Further explanation</h3>
Given
500ml of 0.1M potassium dichromate (vii)
0.25 solution
Required
The volume
Solution
We can use dilution formula :
M₁V₁=M₂V₂
M₁ = 0.25
M₂ = 0.1
V₂ = 500 ml = 0.5 L
The initial volume taken :
V₁=(M₂V₂)/M₁
V₁=(0.1 x 0.5)/0.25
V₁=0.2 L
Answer:
theory
Explanation:
if you assume something that you didn't see occuring it is called a theory
Answer:
Explanation:
A = A metal that lost three electrons is Z³⁺
Metals loses their electrons and form cations. So when an metal loses three electrons positive three charge is created.
B= A metal that lost one electrons is Y⁺
When metal loses one electron positive one charge is created.
C=A nonmetal that gained one electrons is X⁻
When non metals gain the electrons anions are formed and negative charge is created on atom due to addition of electron. So when non metal gained one electron -1 charge is created.
D= A nonmetal that gained three electrons is V³⁻.
when non metal gained three electrons -3 charge is created, because of addition of three electrons.
Its known as covalently bonded atoms
