A word equation is commonly used for describing a: a. Property of a compound
b. Property of an element
c. Chemical reaction

What elements have 2 electrons inthe 4s sublevel

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.

Can someone me with these questions plz.