the density of a black hole is 22.61 g/cm3 i think
I might not be right but I think the empirical formula is NO2
Answer:
If you mix equal amounts of a strong acid and a strong base, the two chemicals essentially cancel each other out and produce a salt and water. Mixing equal amounts of a strong acid with a strong base also produces a neutral pH (pH = 7) solution.
The best option i think is b would be my best answer
14 sigma bonds, 1 pi bond
