Question

the number of acidic hydrogen atoms present in a molecule of an acid is called a)acidity b) basicity​

Answer 1

Answer:

acidity because acidity means number of atoms in one molecule

Answer 2

Answer:

The number of ionizable hydrogen (H+) ions present in one molecule of an acid is called its basicity. One the basis of basicity acid may be termed as mono-basic (e.g HCl), di-basic (e.g H2SO4) and tri or polybasic acid (e.g H3PO4).