While performing an experiment at home, emma adds lemon juice to a soap solution. how will this affect the ph of the soap solution?
a.) the ph will remain constant
b.) the ph will increase
c.) the ph will decrease

The pH scale goes from 0-14 (0-6.9 = acids and 7.1-8.0 = base and 7.0 = neutral)

Soap is a base and lemon juice is an acid.

If you add a number below 7 (an acid - lemon juice) to a number above 7 (a base - soap) then the pH will begin high and decrease.

C