Compounds of boron with hydrogen are called boranes. One of these boranes has the empirical formula and a molecular mass […]
Daily archives: July 10, 2016
1 Malonic acid is used in the manufacture of barbiturates (sleeping pills). The composition of the acid is 34.6% C, 3.9% […]
Malonic acid is used in the manufacture of barbiturates
Hydroquinone used as a photographic developer, is 65.4% C, 5.5% H, and 29.1% O, by mass. What is the empirical […]
Hydroquinone used as a photographic developer
1 An oxide of tungsten (symbol W) is a bright yellow solid. If 5.34 g of the compound contains 4.23 g […]