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

it is basic.

Step-by-step explanation:

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Answer 2

the answer is A it's a basic because once you add another substance to a neutral it either becomes acidic or basic. this one becomes basic because the hydroxide ion concentrate increased.