Alguien que me ayude con esta practica :)​

Determine the number o moles of ions/atoms/particle in the following: 2.50 miles of k2s (let me know how to do)

If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.

What happens to the atomic radius when an elctron is lost