Ascientist observes that after mixing a solid powder into water, the ph of the newly formed solution is 2.7. what can he infer from this observation?
the solution contains an indicator that has a ph of 2.7.
the solid powder contained hydrogen ions.
the ph indicator was used incorrectly.
the powder increased the hydrogen ion concentration of the solution.

The correct answer is' The powder increased the hydrogen ion concentration of the solution'.

Explanation:

The pH abbreviated as power of hydrogen is defined as negative logarithm of ion in the solution.

Whereas concentration in impure water is

The solution with pH value 2.7 was formed when solid powder was mixed into water which means that solid powder has increased the concentration in the water.

i would say b

explanation:

but i think i would need more information than that

the answer is true. hope it .