Barium Chloride + Chromium =?

Calculate the expected ph values of the buffer systems from the experiments (a,b,c,d), using the henderson- hasselbalch equation, ph-pka+log[a-]/[ha]. use for pka values carbonic acid= 6.37, and acetic acid= 4.75.

What are the similarities of physical and chemical change ?

The chemical bond connecting one nucleotide with the next one along the nucleic acid chain is called a