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11 Dec 2019

A 25g piece of copper (Cu) metal is placed in an aqueous silver nitrate (AgNO3) solution. The copper dissolves to form Cu2+ ions and the silver Ag+ ions plate out as solid silver on the piece of copper. After a short period of time, the weight of the piece of copper with silver deposit is 28.2 g. How many grams of silver are depostied on the piece of copper?

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Jarrod Robel
Jarrod RobelLv2
13 Dec 2019

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Related questions

Copper forms two different cations, cuprous (Cu+) and cupric (Cu2+). When solid copper reacts with silver nitrate solution, two reactions are possible, as shown in equations a and b.a) Molecular Equation: Cu(s) + AgNO3(aq) ? CuNO3(aq) + Ag(s)Net Ionic Equation: Cu(s) + Ag+(aq) ? Cu+(aq) + Ag(s)b) Molecular Equation: Cu(s) + 2AgNO3(aq) ? Cu(NO3)2(aq) + 2Ag(s)Net Ionic Equation: Cu(s) + 2Ag+(aq) ? Cu2+(aq) + 2Ag(s)1. What mass of metallic silver can form from 1.347 g of copper metal according to Equation a?2. What mass of metallic silver can form from 1.347 g of copper metal according to Equation b?3. A student reacts 1.347 g of copper with a solution containing excess silver nitrate andrecovers 2.248 g of silver metal. Which reaction, a) or b), most likely occurred in theexperiment? Explain your answer completely.

When 1.00 g of copper metal was placed in 50.0mL of .800M silver nitrate solution, 3.21g of silver metal were collected. The unbalanced equation for this reaction is: Cu(s) + AgNO3 (aq) ------> Cu(NO3)2 (aq) + Ag (s)

1. How many moles of copper were present?

2. How many moles of silver were produced?

3. What is the simplest whole number mole ratio between copper and silver?

4. What are the stoichiometric coefficients for each of the reactants and products?

5. How many moles of silver nitrate were initally present?

6. Based on the number of moles of copper and silver nitrate initially present, which one is the limiting reactant?

Copper metal dissolves in a silver nitrate solution. The balanced equation for the reaction is:

Cu(s) + 2AgNO3(aq) -------> Cu(NO3)2(aq) + 2Ag(s)

A. Starting with 150.ml of 0.250M silver nitrate, AgNO3, how many moles of AgNO3 is that?

B. If a 1.00g of copper metal is added to the solution would it all dissolve? Justify your answer.

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