The balanced chemical equation is as follows: Pb2+(aq)+2KCl(aq)→PbCl2 (s) +2K+(aq) Molar mass of…

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Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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The balanced chemical equation is as follows:

$P {b^{2 +}}_{(a q)} + 2 K C l_{(a q)} \to P b C l_{2 (s)} + 2 {K^{+}}_{(a q)}$

Molar mass of Pb and $P b^{2 +}$ ions is same as the mass of electrons lost by Pb to form $P b^{2 +}$ ions is negligible.

Molar mass of $P b^{2 +}$ ions = 207.2 g/mol

Molar mass of $K C l$ = 74.55 g/mol

Mass of 2 moles of $K C l$ = 2(74.55 g)=149.1 g

Molar mass of $P b C l_{2}$ =278.1 g/mol

Limiting reactant is the one that limits the formation of product as it is present in less amount than required for completion of the reaction.

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