Which solution is the most concentrated? each choice refers to the same solute and solvent. a) 2.4 g solute in 2 ml solution b) 2.4 g solute in 5 ml solution c) 20 g solute in 50 ml solution d) 30 g solute in 150 ml solution e) 50 g solute in 175 ml solution

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal. b. he is determining chemical properties that are sufficient to identify the metal. c. he is determining physical properties that are insufficient to identify the metal. d. he is determining chemical properties that are insufficient to identify the metal.

When a scientific theory has been tested and proved by the scientific community, it becomes a law

Light waves can move through , but they travel fastest when they move through a(n) .