Answer:
7
Step-by-step explanation:
The Ph scale measures how basic a substance is, and how acidic it is, the ph scale goes from 0-14 being the 0 the most acidic a substance can be and 14 the most basic that a substance can be, a neutral substance should be found right in the middle of the ph scale, have a ph of 7 a substance would be nor basic nor acidic, it would be neutral.