Some Uranium salts are used to produce a light yellow in glazes, and these should be pretty heavy.
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The pigment with the highest molecular weight is phycocyanin, which is a blue pigment found in certain types of algae and cyanobacteria. It is a protein pigment complex with a molecular weight ranging from 30,000 to 34,000 Daltons.
The molecular weight of chymotrypsin is approximately 25-27 kDa.
To determine the equivalent weight from the molecular weight, you need to divide the molecular weight by the valence (or charge) of the compound. For example, for a compound with a molecular weight of 100 g/mol and a valence of 2, the equivalent weight would be 50 g/equiv.
Potassium permanganate has a higher molecular weight compared to methylene blue. The molecular weight of potassium permanganate is approximately 158.03 g/mol while the molecular weight of methylene blue is around 319.85 g/mol.
The molecular weight of silver nitrate (AgNO3) is 169.87 g/mol.
The molecular weight of petrol can vary based on its composition, but it is typically around 114-120 grams per mole. This is a rough average as petrol is a mixture of hydrocarbons with different molecular weights.