oo Sprint LTE 5:09 PM 52%) session.masteringchemistry.com C Exercise 16.106 Mast

Question

oo Sprint LTE 5:09 PM 52%) session.masteringchemistry.com C Exercise 16.106 Mastering Chemistry Exercise 16.106 Determine whether HCl can dissolve each metal sample. If it can, write a balanced chemical reaction showing how the metal dissolves in HCl and determine the minimum amount of 6.3 M HCI required to completely dissolve the sample. Part A 5.90 g Ag Express your answer as a chemical equation. Enter noreaction if no reaction occurs. Submit Give Up Part B 2.35 g Pb Express your answer as a chemical equation. Enter noreaction if no reaction occurs.

Explanation / Answer

Ag + HCl ----> X

Silver is below hydrogen in the activity series and therefore silver metal does not react the HCl to produce silverchloride and H2 gas.

Pb + 2HCl ----> PbCl2 +H2

207 gm of Pb react with 2*36.5gm of HCl

2.35g of Pb react with = 2*36.5*2.35/207 = 0.828gm of HCl

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