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Molar mass: 361.87 g/mol Density: 4.243 g/cm 3, solid Melting point: 1,010 °C (1,850 °F; 1,280 K) Solubility in water. 167 g/100 ml (0 °C) 179 g/100 ml (20 °C)
The molar mass of atoms of an element is given by the relative atomic mass of the element multiplied by the molar mass constant, M u ≈ 1.000 000 × 10 −3 kg/mol ≈ 1 g/mol. For normal samples from Earth with typical isotope composition, the atomic weight can be approximated by the standard atomic weight [ 2 ] or the conventional atomic weight.
Substance Formula 0 °C 10 °C 20 °C 30 °C 40 °C 50 °C 60 °C 70 °C 80 °C 90 °C 100 °C Barium acetate: Ba(C 2 H 3 O 2) 2: 58.8: 62: 72: 75: 78.5: 77: 75
The molecular mass and relative molecular mass are distinct from but related to the molar mass. The molar mass is defined as the mass of a given substance divided by the amount of the substance, and is expressed in grams per mol (g/mol). That makes the molar mass an average of many particles or molecules (potentially containing different ...
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Molar mass: 297.876 g/mol Appearance White crystal Density: 4.19 g·cm −3 [1] Melting point: 480 °C [2] Solubility in water. Hydrolyzes to form caesium bisulfide [3]