Methyl red has a pKa of 5.0 If 0.130 M is slowly added to the HCl sample, in what pH range will the indicator change color?

An atom's configuration based on its number of electrons ends at 3p4. another atom has seven more electrons. starting at 3p, what is the remaining configuration? 3p63d34s2 3p43d54s2 3p64s23d3 3p44s23d

Explain what happens at the saturation point when adding salt to water at room temperature.

Select the correct answer. wax is a nonpolar substance. in which type of substance is it the most soluble?