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Manganese(II) chloride is the dichloride salt of manganese, MnCl 2.This inorganic chemical exists in the anhydrous form, as well as the dihydrate (MnCl 2 ·2H 2 O) and tetrahydrate (MnCl 2 ·4H 2 O), with the tetrahydrate being the most common form.
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.
Molar refraction (D line, cm 3) [14] 0.521: 1.004: 4.203: 6.397: 10.435 – Dielectric constant (gas) [15] 1.0000684 [16] 1.00013 [17] ... (mass fraction in ppm) ...
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 ...
Molar mass: 173.027 g/mol (anhydrous) 245.087 g/mol (tetrahydrate) Appearance white crystals (anhydrous) light pink monoclinic crystals (tetrahydrate) Density:
The molar mass constant, usually denoted by M u, is a physical constant defined as one twelfth of the molar mass of carbon-12: M u = M(12 C)/12. [1] The molar mass of an element or compound is its relative atomic mass (atomic weight) or relative molecular mass (molecular weight or formula weight) multiplied by the molar mass constant.
Manganese(III) chloride is the hypothetical inorganic compound with the formula MnCl 3.. The existence of this binary halide has not been demonstrated. [1] [2] Nonetheless, many derivatives of MnCl 3 are known, such as MnCl 3 (THF) 3 and the bench-stable MnCl 3 (OPPh 3) 2.
Molar mass: 189.60 g/mol (anhydrous) 225.63 g/mol (dihydrate) Appearance ... SnCl 2 has a lone pair of electrons, such that the molecule in the gas phase is bent.