12 Nov 2021
Problem 90c
Page 120
Section: Cumulative Problems
Chapter 3: Molecules, Compounds, and Chemical Equations
Textbook ExpertVerified Tutor
12 Nov 2021
Given information
Given:
Compound = Nitrogen triiodide
Find:
1. Chemical formula of compound =?
2. Mass percentage of each component =?
Step-by-step explanation
Step 1.
Conceptual plan:
A. Steps to determine the chemical formula of covalent compounds.
- The first element is listed as the first word of the name.
- The second element is named as the base word with the suffix "ide".
- Some time prefix is also used with the name of first or second element which represents the number of elements as:
mono | hexa | ||
di | hepta | ||
tri | octa | ||
tetra | nona | ||
penta | deca |
*If there is one atom of the first element is present then the prefix "mono" is omitted with its name.
B. Steps to determine the mass percent of each element :
- Determine the molar mass of of compound.
- Find the mass percent of each element by using the formula.
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