In Step 5, you will calculate H OH ratios for more
extreme pH solutions. Find the concentration of Hions
to OH ions listed in Table B of your Student Guide for a
solution at a pH = 2. Then divide the H concentration by
the OH concentration. Record these concentrations and
ratio in Table C.
What is the concentration of H' ions at a pH = 2?
mol/L
What is the concentration of OH-ions at a pH = 2?
mol/L
What is the ratio of H+ ions to OH-ions at a pH = 2?

8 m/s because for him to get the same amount of energy as ray is putting out, bobby, who weighs half as much as ray, needs to run twice as fast.

the answer is c. nacl

o conteúdo de calor de um sistema é igual à entalpia apenas para um sistema que é constante

the answer is b because, investigating whether another species of moth also drinks tears might be interesting, but it would not directly explain why this species of moth does.

to explain why this species of moth drinks tears, the scientist could ask: "what nutrients that moths need are in elephant tears? "

the scientist could experiment with moth repellent or oter ways to keep the moths away, but that would not answer his original question.