Problem: For each reaction, identify the precipitate or lack thereof. CaCl2(aq) + K2CO3(aq) → CaCO3 + 2KCl a) CaCO3 b) KCI c) no precipitate FeCl2(aq) + (NH4)2SO4(aq) → FeSO4 + 2NH4Cl a) FeSO4 b) NH4Cl c) no precipiate

FREE Expert Solution

In this problem, we are asked to determine the precipitate or the lack thereof.

The given reactions are:

a) CaCl2(aq) + K2CO3(aq) → CaCO3 + 2KCl

i) CaCO3

  • Carbonates (CO32-) are insoluble except when with Group 1A ions (Li+, Na+, K+, etc.) and ammonium ion (NH4+)
  •  CaCO3insoluble → precipitate → CaCO3(s)
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Problem Details

For each reaction, identify the precipitate or lack thereof. 

CaCl2(aq) + K2CO3(aq) → CaCO3 + 2KCl 

a) CaCO3 

b) KCI 

c) no precipitate 

FeCl2(aq) + (NH4)2SO4(aq) → FeSO4 + 2NH4Cl 

a) FeSO4 

b) NH4Cl 

c) no precipiate

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