Potassium chromate is a salt of potassium of yellow color.
It has chemical formula K2CrO4. The chrome is the 6th oxidation state.
It is a salt toxic and ecotoxic, like a lot of chrome salts.
It is a reactive, soluble in water. When it dissolves in water,
it forms of potassium cations and anions of chromate.
It is used in argentometrie as a colorful indicator of end of reaction (Mohr's method).
?proprietes chimiques?
gross formula: K2CrO4
molar mass: 194,1903 ± 0.002 g/mol
Cr 26.78%, K 40.27%, O 32.96%
?proprietes physiques?
T ° fusion: 965 ° C T ° boil
: 1,000 ° C
solubility: 637 g/L (water) insoluble in Ethanol
density: 2.73 g·m³ (18 ° C)
