The soaps, shampoos, and detergents in addition to baking soda and washing soda were diluted prior to you using them in the laboratory. Why was it necessary to dilute these substances prior to determining their pH in the laboratory?

Pauling and lewis questioned the extreme definitions of bonds. they wondered if bonds might be described somewhere in between the two extremes (covalent and ionic). on the basis of experimental data,pauling confirmed that bonds could be ionic, covalent, and for those, in between, exhibit a degree of ionic character. he theorized that the major factor was how strongly the atoms in the bond attracted the electrons. pauling called this factor - the tendency of an atom to attract electrons in a bond.

Which object forms when a supergiant runs out of fuel? a red giant a black hole a white dwarf a neutron star

Iknow #2 is d. i just need to know why