Una mezcla sólida formada por las sustancias A, B, C Y D contienen las siguientes cantidades: 15 g de A, 40g de B, 150g de C y 350g de D. Halla el porcentaje en masa de cada sustancia. Sería una gran ayuda, gracias ^^.

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins

Which of the following are good traits of a hypothesis? it will be able to be testedit can predict an outcomeit will explain the observationsall of these

Some liquids can be distilled, but only at temperatures that are so high that it is impractical, or so high the compound decomposes. explain why distillation such compounds at significantly less than atmospheric pressure (some degree of vacuum) would solve this problem.