What is the pH of a 1.2 x 10⁻⁶ M HCl solution

D.na is the answer hope this

Both models are effective because they show the valence electrons, and these valence electrons indicate the reactivity of an element.

Ithink that the use of creativity in the sciences entails that one produce something out of nothing or from another thing. with this, i think that the he wrote down his results as four parts of the atomic theory is the manifestation of the  creativity of john dalton.

There is no reason to think the results are biased or not conducted properly but you should not assume the results are correct just because they were done in a laboratory so the answer would be c. it is likely to be reliable because the results support the conclusion presented.