I was scuba diving and gazed around at the underwater world, remembering that th

Question

I was scuba diving and gazed around at the underwater world, remembering that the ocean was just a huge solution, filled with solutes.

13) Give an example of a solute present in ocean water. Explain what a “solute” is in your answer and how your example fulfills this requirement.

Welding is be done in the ocean water! Many times, as welding occurs, a cloudy substance would form around the area. Welding uses a compound that has lead(II) nitrate in it. I knew that ocean water has sodium chloride in it.

a). Type the balanced molecular equation for the formation of the cloudy material, including all phase labels.

b).Type the complete and net ionic equation for the formation of this cloudy material.

Explanation / Answer

Q13.

solutes in ocean water:

salts, such as Na+, Cl- Ca+2 + Cl-, NO3- etc...

carbonic interactions:

H2CO3(aq), HCO3-(aq), CO3-2(aq)

the solute --> the species in a solution with the LOWEST amount attribution, for instance, all previous examples, the solvent will be the water

a)

molecular material

Pb(NO3)2(aq) + 2NaCl(aq) --> PbCl2(s) + 2NaNO3(aq)

b)

net ionic must include only reacting ions so

Pb2+(aq) + 2Cl-(aq) = PbCl2(s) + 2Cl-(aq)

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