What is the pH of a solution that has a hydronium ion concentration of 8.26 ´ 10–5 M?

Imagine that you have produced several versions of lactase, each of which differs from normal lactase by a single amino acid. describe a test that could indirectly determine which of the versions significantly alters the three-dimensional shape of the lactase protein.

1) these are barrel shaped microtubules in most animal cells, that organize the spindles during cell division

Schrodinger and heisenberg developed an alternate theory about atomic nature that contradicted some of bohr's model of the atom. how do changes resulting from new technology and evidence affect the reputation of the atomic theory?