Connect 2-Year Access Card for Chemistry: Atoms First
2nd Edition
ISBN: 9780077646417
Author: Jason Overby Professor, Julia Burdge
Publisher: McGraw-Hill Education
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Question
Chapter 1.5, Problem 6PPA
Interpretation Introduction
Interpretation:
The density of the empty container should be calculated with giving the appropriate significant figure.
Concept Introduction:
Density: The density of the substance is calculated using the formula:
For the given set of calculations the significant figures and their correct measurement has to be given.
Concept introduction:
Significant figures: The digits having a meaning in a given number are called as significant figures.
Significant figures –calculation rules
- Significant figure is a non-zero number (4443.2 has five significant figures)
- Zeros placement in between non-zero number are significant figures (40005 has five significant figures).
- Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).
- Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).
- Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.
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Connect 2-Year Access Card for Chemistry: Atoms First
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