Complete the following precipitation reactions with balanced molecular, total ionic, and net ionic equations:

(a)Hg2(NO3)2(aq)+KI(aq)(b)FeSO4(aq)+Sr(OH)2(aq)

Short Answer

Expert verified

Precipitation of ions depends upon the charge of ions present in a given solution.

Step by step solution

01

Write the equation of  Hg2(NO3)2and KI

The molecular reaction is:

Hg2(NO3)2(aq)+KI(aq)Hg2I2(s)+2KNO3(aq)

The total ionic equation is:

2Hg2+(aq)+2NO3-(aq)+2K+(aq)+2I-2K+(aq)+2NO3-(aq)+Hg2l2(s)

The net ionic equation is:

2Hg2+(aq)+2I-(aq)Hg2l2(s)

02

Write the equation of FeSO4(aq)  and Sr (OH)2

The molecular reaction is:

FeSO4(aq)+Sr(OH)2(aq)Fe(OH)2(s)+SrSO4(s)

The total ionic equation is:

Fe+2(aq)+SO4(aq)+Sr+2(aq)+2OH-(aq)Fe(OH)2(s)+SrSO4(s)

The net ionic equation is:

Fe+2(aq)+SO4(aq)+Sr+2(aq)+2OH-(aq)Fe(OH)2(s)+SrSO4(s)

Since this reaction does not have any spectator ion, hence both ionic and net ionic reaction is the same

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Most popular questions from this chapter

In the process of pickling, rust is removed from newly produced steel by washing the steel in hydrochloric acid:

(1)6HCl(aq)+Fe2O3(s)2FeCl3(aq)+3H2O(l)

During the process, some iron is lost as well:

(2)2HCl(aq)+Fe(s)FeCl2(aq)+H2(g)

(a) Which reaction, if either, is a redox process? (b) If reaction 2 did not occur and all the HCl were used, how many grams of Fe2O3 could be removed and FeCl3 produced in a 2.50x103-L bath of 3.00 MHCl? (c) If reaction 1 did not occur and all the HCl were used, how many grams of Fe could be lost and FeCl2 produced in a 2.50x103-L bath of 3.00 MHCl? (d) If 0.280 g of Fe is lost per gram of Fe2O3 removed, what is the mass ratio of FeCl2to FeCl3?

With ions shown as spheres and solvent molecules omitted for clarity, the circle (right) illustrates the solid formed when a solution containing K+, Mg2+, Ag+, or Pb2+(blue) is mixed with one containing ClO4-, NO3-, or SO42-(yellow).

(a) Identify the solid.

(b) Write a balanced net ionic equation for the reaction.

(c) If each sphere represents 5.0×104- mol of ion, what mass of product forms?

Complete the following acid-base reactions with balanced molecular, total ionic, and net ionic equations:

(a) Cesium hydroxide(aq) + nitric acid(aq)

(b) Calcium hydroxide(aq) + acetic acid(aq)

A mixture of bases can sometimes be the active ingredient in antacid tablets. If 0.4826 g of a mixture of Al(OH)3and Mg(OH)2is neutralized with 17.30 mL of 1.000 M HNO3,what is the mass % ofAl(OH)3in the mixture?

Question: Zinc hydroxide is insoluble in water but dissolves when a nitric acid solution is added. Why? Write balanced total ionic and net ionic equations, showing nitric acid as it actually exists in water and the reaction as a proton-transfer process.

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