Sign/symbol | Example | Interpretation |
---|---|---|
m | 2mH2O | mol |
g | 2gH2O | gram |
E or e | 2E-3mH2O or 2e-3mH2O | exponent |
e- | e- | electron symbol (normally used by "balance") |
, | 2mH2,H2O | argument separator |
. | 2.3gH2O | decimal separator |
* | CaCl2*5H2O | crystal water separator |
D | D2O or H[2]2O | deuterium (symb. reserved for this isotope) |
[ ] | H[2] or [Fe(CN)6]+2 | number of nucleons square brackets (isotopes and complex) |
( ) | Ca(NO3)2 | braces |
+ | Ca+2 or Ca++ | pos. charged ion |
- | SO4-2 or SO4-- | neg. charged ion |
0-9 | 10gH2O | numbers |
H-Lr | HHeLiBeBCNO | Elements: Hydrogen --> Lawrencium |
Normal | Chemix | Interpretation |
---|---|---|
H2SO4 and NO3- | H2SO4 and NO3- | Index |
H2SO4 | H2SO4 | Formula mass(weight) |
C[13]5H[2]12 | C[13]5H[2]12 | Enriched |
2 moles of H2SO4 | 2mH2SO4 | Arg. formula (mol) |
2 grams of H2SO4 | 2gH2SO4 | Arg. formula (mass) |
2 moles of sulfur in H2SO4 | 2mS,H2SO4 | Formula arg. by element and mol |
2 grams of sulfur in H2SO4 | 2gS,H2SO4 | Formula arg. by element and mass |
2 moles of H2 in H2SO4 | 2mH2,H2SO4 | Formula arg. by molecule and mol |
2 grams of H2 in H2SO4 | 2gH2,H2SO4 | Formula arg. by molecule and mass |
2 moles of deuterium in H[2]2SO4 | 2mH[2],H[2]2SO4 | Enriched formula arg. by isotope and mol |
2 grams of deuterium in H[2]2SO4 | 2gH[2],H[2]2SO4 | Enriched formula ar by isotope and mass |
CaCl2*5H2O | CaCl2*5H2O | Crystal water comp. |
2 moles of CaCl2*5H2O | 2mCaCl2*5H2O | 2 moles of cryst.water comp. |
[Fe(CN)6]+2 | [Fe(CN)6]+2 | Complex brackets |
0.025 moles of C4H10 | 2.25E-2mC4H10 | Use of exponent in arg. |
SO4-2 or SO42- or SO4 -- | SO4-2 | Ions |
Examples | Chemix | Interpretation |
---|---|---|
1) | H2SO4 | Formula mass sulfuric acid |
2) | H[2]2SO4 or D2SO4 | Formula mass sulfuric acid (enriched by deuterium) |
3) | 2gH2SO4 | 2 grams of sulfuric acid |
4) | 2mH2SO4 | 2 moles of sulfuric acid |
5) | 2gS,H2SO4 | 2 grams of sulfur in sulfuric acid |
6) | 2mS,H2SO4 | 2 moles of sulfur in sulfuric acid |