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Glossary of Chem11

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SI unit for amount of substance
mole
molecules, ions, formula units, and atoms are examples of what?
particles
1 mole equals how many particles?
6.02x10^23
how many sig digs are in the number: 125,586
6
how many sig digs are in the number: 10,000,001
8
how many sig digs are in the number: 250.0
4
how many sig digs are in the number: 4.7200
5
how many sig digs are in the number: 250
2
how many sig digs are in the number: 100.0000
7
how many sig digs are in the number: 0.0050
2
2.5 moles Ag converted to particles (atoms)
1.5x10^24 atoms Ag
convert 1.75 moles CO2 to particles (molecules)
1.05x10^24 molecules CO2
0.37 moles NaCL to formula units
2.2x10^23 f.u. NaCL
5.2x10^15 atoms Fe to moles
8.64x10^-9 moles Fe

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