Men's hats are sized according to diameter while women's are based on circumference. The most common hat size for men is 7 1/8 and for women, 221. To measure the size of a person's head, use a flexible tape measure to measure the circumference at the widest part of the head, usually an inch above the eyebrows.
Arrhenius argued that bases are neutral compounds that either dissociate or ionize in water to give OH-ions and a positive ion. NaOH is an Arrhenius base because it dissociates in water to give the hydroxide (OH -) and sodium (Na +) ions.
We are asked to give the conjugate base for each of a series of species and to give the conjugate. acid for each of another series of species. Plan: The conjugate base of a substance is simply the parent substance minus one proton, and the conjugate. acid of a substance is the parent substance plus one proton.