Phosphate is derived from the titration of phosphoric acid, h3po4. the three pka’s of h3po4 are 2.15, 7.20, and 12.35 respectively. 

a/ write out the series of ionization (equilibrium) reactions corresponding to each ionization, making sure to write out the (flat) structure each molecule/ion as you do so. mark correct chemical bonds.

b/ in your diagram above, circle the dominant form of phosphate as it would appear at ph 5.7.

Answers are in the explanation

Explanation:

The equilibriums corresponding for each ionization are:

H₃PO₄ ⇄ H₂PO₄⁻ + H⁺ pka: 2,15

H₂PO₄⁻ ⇄ HPO₄²⁻ + H⁺ pka: 7,20

HPO₄²⁻ ⇄ PO₄³⁻ + H⁺ pka: 12,35

At pH 5,7 all H₃PO₄ reacts to produce H₂PO₄⁻ and the consumed H₂PO₄⁻ to form HPO₄²⁻ is not relevant yet. Thus, dominant for is H₂PO₄⁻

I hope it helps!

a plasma is a warm ionized gasoline consisting of approximately equal numbers of definitely charged ions and negatively charged electrons. the characteristics of plasmas are notably unique from the ones of ordinary neutral gases in order that plasmas are considered a awesome "fourth kingdom of remember."

c. electrical charges of ionic bonds.