Question

In: Chemistry

When Aqueous solutions of CaCl2 and AgNO3 (aq),are mixed ,a reaction takes place producing acqueous Ca(NO3)2...

When Aqueous solutions of CaCl2 and AgNO3 (aq),are mixed ,a reaction takes place producing acqueous Ca(NO3)2 and Solid AgCl

a)How many moles of each are used in the above chemical equation?

b)Write ionic equations for MgCl2(aq) and AgNO3 (aq)

c)Identify spectator ions for part b

d)Name all compounds in the given complete and balanced reaction

Solutions

Expert Solution

Answer a):- The balanced chemical equation for reaction between CaCl2 and AgNO3

1CaCl2 (aq) + 2 AgNO3 (aq) 2 AgCl (s) + 1Ca(NO3)2 (aq)

Thus, one mole of CaCl2 and two moles of AgNO3 are used in above reaction......

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Answer b):- Ionic reactions for MgCl2 (aq) and AgNO3 (aq)

Mg2+ (aq) + 2Cl- (aq) + 2Ag+ (aq) + 2 NO​​​​​​​​​​​​​​3​​​​​​​​​​​​​​ - (aq) 2 AgCl (s) + Mg​​​​​​​2+ (aq) + 2 NO3- (aq)

Answer c):- Mg​​​​​​​2+ and NO3- are spectator ions for part b)......

Spectator ions are ions that remain same on both reactant and product side in a chemical reaction.

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