Chemistry 9th Edition

Published by Cengage Learning
ISBN 10: 1133611095
ISBN 13: 978-1-13361-109-7

Chapter 3 - Stoichiometry - Exercises: 82

Answer

a. $S_4N_4H_4$ b. $N_3P_3Cl_6$ c. $Co_2C_8O_8$

Work Step by Step

a. $\text{ Molar Mass of $SNH$} =32.065+14.0067+1.00794=47.080\text{ grams}$ $\frac{188.35}{47.080}=4$. $SNH\Rightarrow S_4N_4H_4$ b. $\text{ Molar Mass of $NPCl_2$} = 14.0067+30.97376+2*35.453=115.886\text{ grams}$ $\frac{347.64}{115.886}=3$. $NPCl_2\Rightarrow N_3P_3Cl_6$ c. $\text{ Molar Mass of $CoC_4O_4$} =170.9736\text{ grams}$ $\frac{341.94}{170.9736}=2$. $CoC_4O_4\Rightarrow Co_2C_8O_8$
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