18 Nov 2021
Problem 106
Page 121
Section: Cumulative Problems
Chapter 3: Molecules, Compounds, and Chemical Equations
Textbook ExpertVerified Tutor
18 Nov 2021
Given information
The percentage by mass of oxygen in chromium containing compound is
Step-by-step explanation
Step 1.
The percentage by mass of oxygen in chromium containing compound is
The molar mass of oxygen , iron ( ), and chromium ( ) is , , and respectively.
The molar mass of oxygen in is
The molar mass of is calculated by the formula,
......(1)
Where,
-
is molar mass of oxygen in .
-
is mass of oxygen.
Substitute the values of and in equation (1).
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