Difference between revisions of "Avogadro Constant"
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===About the Avagadro Constant=== | ===About the Avagadro Constant=== | ||
: The '''Avagadro Constant''' is used to state the number of [[atom]]s or [[molecule]]s in a [[mole]] of a [[substance]]. | : The '''Avagadro Constant''' is used to state the number of [[atom]]s or [[molecule]]s in a [[mole]] of a [[substance]]. | ||
| − | : The '''Avagadro Constant''' is normally written in | + | : The '''Avagadro Constant''' is normally written in standard form. |
: '''6.02x10<sup>23</sup>''' = '''602,000,000,000,000,000,000,000''' correct to 3 [[Significant Figures]]. | : '''6.02x10<sup>23</sup>''' = '''602,000,000,000,000,000,000,000''' correct to 3 [[Significant Figures]]. | ||
: 1 [[mole]] of an [[element]] contains '''6.02x10<sup>23</sup>''' [[atom]]s of that [[element]]. | : 1 [[mole]] of an [[element]] contains '''6.02x10<sup>23</sup>''' [[atom]]s of that [[element]]. | ||
: 1 [[mole]] of a [[molecule]] contains '''6.02x10<sup>23</sup>''' [[molecule]]s. | : 1 [[mole]] of a [[molecule]] contains '''6.02x10<sup>23</sup>''' [[molecule]]s. | ||
Revision as of 19:40, 8 April 2019
Key Stage 4
Meaning
The Avagadro Constant is the number of atoms in 12g of Carbon. 6.02x1023 atoms per mole.
About the Avagadro Constant
- The Avagadro Constant is used to state the number of atoms or molecules in a mole of a substance.
- The Avagadro Constant is normally written in standard form.
- 6.02x1023 = 602,000,000,000,000,000,000,000 correct to 3 Significant Figures.
- 1 mole of an element contains 6.02x1023 atoms of that element.
- 1 mole of a molecule contains 6.02x1023 molecules.