1) List the quantities.
Sample: 2.1*10^24 particles
Formula: C6H12O6
2) Convert the number of particles to moles of C6H12O6
1 mol = 6.022*10^23

3) Convert moles of C6H12O6 to moles of C6H12O6.
The molar mass of C6H12O6 is 180.1559 g/mol.

2.1*10^24 molecules of C6H12O6 are equal to 630.5 g C6H12O6.