C) It determines the concentration of an unknown substance in neutralization reactions.
KauCl4 :
K = + 1
au = + 7
Cl = - 2
hope this helps!
<span>This example represents the challenge of survival of the fittest. In this situation, the trees have a distinct advantage due to their above average height. This puts them in the best position to gain the resources that they need to survive, most notably, the sun. The smaller plants, however, do not have this advantage, and lose out to the trees.</span>
<span>a regultate is to control or direct by a rule, principle, or method.</span>
