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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Step 1
A) The balanced reaction given is
Given : Mass of Pb(NO3)2 reacting = 18 g
Molar mass of Pb(NO3)2 = Atomic mass of Pb + Atomic mass of N X 2 + Atomic mass of O X 6 = 207.2 + 14 X 2 + 16 X 6 = 331.2 g/mol
Since mass = moles X molar mass
=> 18 = moles of Pb(NO3)2 reacting X 331.2
=> moles of Pb(NO3)2 reacting = 0.05435 mol approx.
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