Question

Calculate the number of electrons in one mole of
0^2- ions.
Please send me with the steps, I would mark it
the brainliest.

Answer 1

Answer:

HEYA MATE, HERE IS UR ANSWER

Let the vertex angle be x degrees .

Then each base angle =x+15

X+x+15+x+15=180

3x+30=180

3x=180-30

3x=150

x=150/3

x=50 degree

Therefore

=65 degrees.