Problem: Phosphoric acid (H3PO4) is characterized by three reactions for stepwise dissociation. Arrange the following species in the order of decreasing concentration in an aqueous solution of H3PO4. Clearly indicate the order of concentration change. JUSTIFY your answer.H3PO4          H 2PO4-          HPO 42-          PO 43-          H 3O+  

FREE Expert Solution
96% (179 ratings)
Problem Details

Phosphoric acid (H3PO4) is characterized by three reactions for stepwise dissociation. Arrange the following species in the order of decreasing concentration in an aqueous solution of H3PO4. Clearly indicate the order of concentration change. JUSTIFY your answer.

H3PO4          H 2PO4-          HPO 42-          PO 43-          H 3O+

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Polyprotic Acid concept. You can view video lessons to learn Polyprotic Acid. Or if you need more Polyprotic Acid practice, you can also practice Polyprotic Acid practice problems.

What is the difficulty of this problem?

Our tutors rated the difficulty ofPhosphoric acid (H3PO4) is characterized by three reactions ...as high difficulty.

How long does this problem take to solve?

Our expert Chemistry tutor, Sabrina took 4 minutes and 40 seconds to solve this problem. You can follow their steps in the video explanation above.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Langowski's class at RUTGERS.