Aph increases, what happens to the hydroxide ion concentration?
a) it decreases
b) it equals the ph number
c) it increases

Different isotopes indicate that an element will have different numbers of

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture

In which reaction is precipitation occurring?