When ionic solids dissolve in water, they produce soluble aqueous cations and an

Question

When ionic solids dissolve in water, they produce soluble aqueous cations and anions. For example, adding MgBr2 solids to water will produce ions according to the dissolution reaction below.

MgBr2(s) Mg2+(aq) + 2 Br(aq)
  solid         cation         anion

In this lab, you will be mixing two solutions containing soluble ions and observing any reactions that occur. Please write the dissolution reaction for each of the ionic solids below. (Use the lowest possible coefficients. Include states-of-matter under the given conditions in your answer.)

a)Na3PO4

b)Mg(NO3)2

c)Pb(NO3)2

Explanation / Answer

dissolution reactions:

a) Na3PO4(s)

Na3PO4(aq) = 3Na+(aq) + PO4-3(aq)

b)

Mg(NO3)2(s)

Mg(NO3)2(aq) = Mg+2(aq) + 3(NO3-)(aq)

c)

Pb(NO3)2(s)

Pb(NO3)2(aQ) = Pb+2(aq) + 2(NO3-)(aq)

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