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A 1.0 L solution AgNO3(ag) of and Pb(NO3)2(aq) has a Agconcentration of 0.020 M and a Pb2+ concentration of
0.0010 M. A 0.0010 mol sample of K2SO4(s) is added to the solution. Based on the information in the table above,
which of the following will occur? (Assume that the volume change of the solution is negligible.)
No precipitate will form.
(B) Only Ag2SO4(s) will precipitate.
(C) Only PbSO4(s) will precipitate.
(D) Both Ag2SO4(s) and PbSO4(s) will precipitate.

Respuesta :

okpalawalter8

With an Ag concentration of 0.020 M and a Pb2+ concentration of

0.0010 M, Only PbSO4(s) will precipitate,

Option C is correct

What will precipitate?

Generally, the equation for the Chemical Reaction  is mathematically given as

Ag2SO4--->2Ag++SO4^{-2}

Where

PbSO4--->Pb2+ +SO4^{-2}

Therefore

Ag2SO4=[0.02^2[0.001]]

Ag2SO4=4*10^{-7}

and

PbSO4=[0.001^2[0.001]]

PbSO4=4*10^{-6}

In conclusion,Since PbSO4>>PAg2SO4, Only PbSO4(s) will precipitate.

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