The OH-ion concentration of a blood sample is 2.5 x 10-7M. What is the pH of the blood?
a. 6.60
b.0.99
c.740
d.1

What is the most common reason for matter changing its state?

The gram molecular mass or co2 is the same as the gram molecular mass of

Astable atom that has a large nucleus most likely contains 1. more neutrons than protons. 2.more protons than neutrons. 3.equal numbers of protons and neutrons. 4.changing numbers of protons and neutrons.