미해결 질문What is the simplest whole-number ratio of atoms in a molecule or formula unit called?1778views
미해결 질문What is the empirical formula for a compound if a sample contains 1.0 g of S and 1.5 g of O?1093views
미해결 질문A molecule of a certain compound contains two nitrogen atoms and four oxygen atoms. What is the molecular formula for this compound?1287views
미해결 질문A chemist decomposes samples of several compounds; the masses of their constituent elements are listed. calculate the empirical formula for each compound.910views