Answer:
A. Each amino acid has an amino group and a carboxyl group.
Answer:
V KOH = 247.939 mL
Explanation:
at the point of equilibrium:
mol CH3COOH = mol KOH.......for weak acid system - strong bases...(1)
⇒ mol CH3COOH = 0.775L * 0.819 mol / L
⇒ mol CH3COOH = 0.634 mol CH3COOH.....(2)
replacing (2) in (1):
0.634 mol = V KOH * 2.56 mol / L
⇒ V KOH = 0.634 mol / (2.56 mol / L )
⇒ V KOH = 0.247939 L ( 247.939 mL )
Answer: pH = 7.36. The pKa of H2PO4− is 7.21.
Explanation:
I think this is learned in chemistry do you have any notes that can help
Answer:
<u>B. 2</u>
Explanation:
A single bond contains <u>2</u> shared electrons.
Given example is that of <u>ethane</u>