Question

A student had a sample of pure water, and added an unknown substance to it. The student noticed that the hydroxide ion concentration in the solution increased as the substance was added. What is true about this newly formed solution?

It is basic.

It is acidic.

It is a buffer.

It has a pH of 7.

Answer 1

@Apocalyptic_Ash

Answer 2

Which answer do you think is right? Why?

Answer 3

Well I think it is basic because the hydroxide ion concentration in the solution increased as the substance was added. And this is what happens with a basic.

Answer 4

You're absolutely right!

Answer 5

Yep, it's basic. :)

Answer 6

Yay, thanks to you both!