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The hydrogen chromate ion may be protonated, with the formation of molecular chromic acid, H 2 CrO 4, but the pK a for the equilibrium H 2 CrO 4 ⇌ HCrO − 4 + H + is not well characterized. Reported values vary between about −0.8 and 1.6. [4] The dichromate ion is a somewhat weaker base than the chromate ion: [5]
Molar mass: 194.189 g·mol −1 Appearance Yellow powder Odor: odorless Density: 2.7320 g/cm 3: ... Potassium chromate is the inorganic compound with the formula K 2 ...
Molar mass: 161.97 g/mol Appearance yellow crystals Odor: odorless Density: 2.698 g/cm 3: ... Sodium chromate is the inorganic compound with the formula Na 2 CrO 4.
Molar mass: 323.192 g/mol Appearance bright yellow powder Density: 6.12 g/cm 3, solid ... Lead(II) chromate is an inorganic compound with the chemical formula Pb Cr O ...
Molar mass: 152.07 g/mol Appearance yellow crystals Density: 1.90 g/ml ... Ammonium chromate is a salt with the formula (NH 4) 2 CrO 4. It forms yellow, ...
Molar mass: 118.008 g/mol (chromic acid) ... Partial predominance diagram for chromate. Molecular chromic acid, H 2 CrO 4, in principle, resembles sulfuric acid, H 2 ...
Molar mass: 331.73 g/mol Appearance brick-red powder [1 ... Silver chromate is an inorganic compound with formula Ag 2 CrO 4 which appears as distinctively coloured ...
Molar mass: 156.072 g/mol Appearance bright yellow powder Density: 3.12 g/cm 3: ... Calcium chromate is an inorganic compound with the formula CaCrO 4, ...