The number of chalk molecules to write your name on the board should be calculated.
Number of moles is related to mass and molar mass as follows:
Here, m is mass and M is molar mass.
According to Avogadro’s law, 1 mole of a substance contains atoms. This is known as Avogadro’s number and denoted by symbol.
Thus, number of molecules can be calculated from number of moles using the following conversion factor:
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