<Table> Magnesium nitrate <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th_colspan="2"> Names </Th> </Tr> <Tr> <Td_colspan="2"> IUPAC name Magnesium nitrate </Td> </Tr> <Tr> <Td_colspan="2"> Other names Nitromagnesite (hexahydrate) </Td> </Tr> <Tr> <Th_colspan="2"> Identifiers </Th> </Tr> <Tr> <Td> CAS Number </Td> <Td> <Ul> <Li> 10377 - 60 - 3 </Li> <Li> 15750 - 45 - 5 (dihydrate) </Li> <Li> 13446 - 18 - 9 (hexahydrate) </Li> </Ul> </Td> </Tr> <Tr> <Td> 3D model (JSmol) </Td> <Td> <Ul> <Li> Interactive image </Li> </Ul> </Td> </Tr> <Tr> <Td> ChEBI </Td> <Td> <Ul> <Li> CHEBI: 64736 </Li> </Ul> </Td> </Tr> <Tr> <Td> ChemSpider </Td> <Td> <Ul> <Li> 23415 </Li> </Ul> </Td> </Tr> <Tr> <Td> ECHA InfoCard </Td> <Td> 100.030. 739 </Td> </Tr> <Tr> <Td> EC Number </Td> <Td> 233 - 826 - 7 </Td> </Tr> <Tr> <Td> PubChem CID </Td> <Td> <Ul> <Li> 25212 </Li> </Ul> </Td> </Tr> <Tr> <Td> RTECS number </Td> <Td> OM3750000 (anhydrous) OM3756000 (hexahydrate) </Td> </Tr> <Tr> <Td> UNII </Td> <Td> <Ul> <Li> 77CBG3UN78 </Li> </Ul> </Td> </Tr> <Tr> <Td> UN number </Td> <Td> 1474 </Td> </Tr> <Tr> <Td_colspan="2"> InChI (show) <Ul> <Li> InChI = 1S / Mg. 2NO3 / c; 2 * 2 - 1 (3) 4 / q + 2; 2 * - 1 Key: YIXJRHPUWRPCBB - UHFFFAOYSA - N </Li> <Li> InChI = 1 / Mg. 2NO3 / c; 2 * 2 - 1 (3) 4 / q + 2; 2 * - 1 Key: YIXJRHPUWRPCBB - UHFFFAOYAA </Li> </Ul> </Td> </Tr> <Tr> <Td_colspan="2"> SMILES (show) <Ul> <Li> (N+) (= O) ((O -)) (O -). (N+) (= O) ((O -)) (O -). (Mg + 2) </Li> </Ul> </Td> </Tr> <Tr> <Th_colspan="2"> Properties </Th> </Tr> <Tr> <Td> Chemical formula </Td> <Td> Mg (NO) </Td> </Tr> <Tr> <Td> Molar mass </Td> <Td> 148.32 g / mol (anhydrous) 184.35 g / mol (dihydrate) 256.41 g / mol (hexahydr .) </Td> </Tr> <Tr> <Td> Appearance </Td> <Td> White crystalline solid </Td> </Tr> <Tr> <Td> Density </Td> <Td> 2.3 g / cm (anhydrous) 2.0256 g / cm (dihydrate) 1.464 g / cm (hexahydrate) </Td> </Tr> <Tr> <Td> Melting point </Td> <Td> 129 ° C (264 ° F; 402 K) (dihydrate) 88.9 ° C (hexahydrate) </Td> </Tr> <Tr> <Td> Boiling point </Td> <Td> 330 ° C (626 ° F; 603 K) decomposes </Td> </Tr> <Tr> <Td> Solubility in water </Td> <Td> 125 g / 100 mL </Td> </Tr> <Tr> <Td> Solubility </Td> <Td> moderately soluble in ethanol, ammonia </Td> </Tr> <Tr> <Td> Refractive index (n) </Td> <Td> 1.34 (hexahydrate) </Td> </Tr> <Tr> <Th_colspan="2"> Structure </Th> </Tr> <Tr> <Td> Crystal structure </Td> <Td> cubic </Td> </Tr> <Tr> <Th_colspan="2"> Thermochemistry </Th> </Tr> <Tr> <Td> Specific heat capacity (C) </Td> <Td> 141.9 J / mol K </Td> </Tr> <Tr> <Td> Std molar entropy (S) </Td> <Td> 164 J / mol K </Td> </Tr> <Tr> <Td> Std enthalpy of formation (Δ H) </Td> <Td> - 790.7 kJ / mol </Td> </Tr> <Tr> <Td> Gibbs free energy (Δ G _̊) </Td> <Td> - 589.4 kJ / mol </Td> </Tr> <Tr> <Th_colspan="2"> Hazards </Th> </Tr> <Tr> <Td> Main hazards </Td> <Td> Irritant </Td> </Tr> <Tr> <Td> Safety data sheet </Td> <Td> External MSDS </Td> </Tr> <Tr> <Td> R - phrases (outdated) </Td> <Td> R8, R36, R37, R38 </Td> </Tr> <Tr> <Td> S - phrases (outdated) </Td> <Td> S17, S26, S36 </Td> </Tr> <Tr> <Td> NFPA 704 </Td> <Td> 0 0 OX </Td> </Tr> <Tr> <Td> Flash point </Td> <Td> Non-flammable </Td> </Tr> <Tr> <Th_colspan="2"> Related compounds </Th> </Tr> <Tr> <Td> Other anions </Td> <Td> Magnesium sulfate Magnesium chloride </Td> </Tr> <Tr> <Td> Other cations </Td> <Td> Beryllium nitrate Calcium nitrate Strontium nitrate Barium nitrate </Td> </Tr> <Tr> <Td_colspan="2"> Except where otherwise noted, data are given for materials in their standard state (at 25 ° C (77 ° F), 100 kPa). </Td> </Tr> <Tr> <Td_colspan="2"> N verify (what is?) </Td> </Tr> <Tr> <Td_colspan="2"> Infobox references </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Names </Th> </Tr>

Whats the molar mass of mg(no3)2
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