EVESUNER1303
10.09.2021 •
Chemistry
Determine the number of moles in 1 gram of water
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Ответ:
This is
1 mole = 18 gram = 6×10^23 molecules
1 gram = ?
1 gram= 18/6×10^23 atoms
1 gram =3×10^-23 atoms
Ответ:
The two theories were:
1.Geocentric theory stating that earth is the centre of the universe and sun revolves around it.
2.Heliocentric theory stating that the earth revolves around the sun.