Consider the reaction: 4 K(s) + O2(g) 2 K2O(s) The molar mass of K is 39.10 g/mol, and that of 0, is 32.00 g/mol. Without doing any calculations, pick the con- ditions under which potassium is the limiting reactant and explain your reasoning. a. 170 g K, 31 g O, c. 165 kg K, 28 kg O2 b. 16 g K, 2.5 g O, d. 1.5 g K, 0.38 g O2

Consider the reaction: 4 K(s) + O2(g) 2 K2O(s) The molar mass of K is 39.10 g/mol, and that of 0, is 32.00 g/mol. Without doing any calculations, pick the con- ditions under which potassium is the limiting reactant and explain your reasoning. a. 170 g K, 31 g O, c. 165 kg K, 28 kg O2 b. 16 g K, 2.5 g O, d. 1.5 g K, 0.38 g O2

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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Question

Consider the reaction:
4 K(s) + O2(g) 2 K2O(s)
The molar mass of K is 39.10 g/mol, and that of 0, is
32.00 g/mol. Without doing any calculations, pick the con-
ditions under which potassium is the limiting reactant and
explain your reasoning.
a. 170 g K, 31 g O,
c. 165 kg K, 28 kg O2
b. 16 g K, 2.5 g O,
d. 1.5 g K, 0.38 g O2

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