The following salts are soluble in water. Write the equation for the dissociatio

Question

The following salts are soluble in water. Write the equation for the dissociation of each of the salts when added to water. One example-sodium sulfate Na2SO4(s) + aq right arrow 2Na+(ag) + SO42- (aq) A- lead (II) nitrate B- iron (II) chloride C- ammonium phosphate D- potassium carbonate 2- what is the concentration of the magnesium ions and the chloride ions in 2.5 M solution of MgCl2? The following salts are soluble in water. Write the equation for the dissociation of each of the salts when added to water. One example-sodium sulfate Na2SO4(s) + aq right arrow 2Na+(ag) + SO42- (aq) A- lead (II) nitrate B- iron (II) chloride C- ammonium phosphate D- potassium carbonate 2- what is the concentration of the magnesium ions and the chloride ions in 2.5 M solution of MgCl2? A- lead (II) nitrate B- iron (II) chloride C- ammonium phosphate D- potassium carbonate 2- what is the concentration of the magnesium ions and the chloride ions in 2.5 M solution of MgCl2?

Explanation / Answer

a)

Pb(NO3)2(s) --> Pb2+(aq) + 2NO3-(aq)

b)

FeCl2(s) = Fe2+(aq) + 2Cl-(aq)

c)

(NH4)3PO4(s) --> 3NH+(aq) + PO43-(aq)

d)

K2CO3(s) = 2K+(aq) + CO32-(aq)

Q2

if

[MgCl2] = 2.5 M

then

[Mg+2] = [MgCl2] = 2.5 M

as well, due to 1:1 ratio

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