Which of the following is a chemical property?

A.) Ability to burn
B.) Mass
C.) Density
D.) All of the above

all of the above

Explanation:

Mass and density are important factors to describe the property and the burning is an ability.

when [oh-] is 10-5  m, and [h3o+] is 10-9  m, the poh is 5 and ph is 9. again in both cases the sum of ph and poh is 14. however, the hydrogen ion concentration is not always going to be equal to exactly 1 x 10 raised to a negative number. for example, we skipped over the value of 2.0 x 10-7.