Ch.1 - Intro to General ChemistryWorksheetSee all chapters
All Chapters
Ch.1 - Intro to General Chemistry
Ch.2 - Atoms & Elements
Ch.3 - Chemical Reactions
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
Ch.4 - Chemical Quantities & Aqueous Reactions
Ch.5 - Gases
Ch.6 - Thermochemistry
Ch.7 - Quantum Mechanics
Ch.8 - Periodic Properties of the Elements
Ch.9 - Bonding & Molecular Structure
Ch.10 - Molecular Shapes & Valence Bond Theory
Ch.11 - Liquids, Solids & Intermolecular Forces
Ch.12 - Solutions
Ch.13 - Chemical Kinetics
Ch.14 - Chemical Equilibrium
Ch.15 - Acid and Base Equilibrium
Ch.16 - Aqueous Equilibrium
Ch. 17 - Chemical Thermodynamics
Ch.18 - Electrochemistry
Ch.19 - Nuclear Chemistry
Ch.20 - Organic Chemistry
Ch.22 - Chemistry of the Nonmetals
Ch.23 - Transition Metals and Coordination Compounds

Solution: How many significant figures are in each of the following measurements?35.0445 g

Problem

How many significant figures are in each of the following measurements?

35.0445 g

Solution

In this problem, we are asked to determine how many significant figures are in 35.0445 g.


Recall that in determining the number of significant numbers, we following the following rules:

  • All nonzero digits are significant.
  • Zeroes between nonzero digits are significant.
  • Zeroes to the left of the nonzero digits are not significant, their only purpose is to indicate placement.
  • Zeroes to the right of the nonzero digits are categorized as follows:
    • Trailing zeroes after a decimal point are significant.
    • Trailing zeroes before the decimal point and after a nonzero digit are always significant.
    • Trailing zeroes before an implied decimal point is ambiguous and should be avoided by using scientific notation.
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