What is the pH of the solution at the endpoint of a titration

How many atoms are there in 5.70 mol of mg

Identify the electromagnets with poles that are reversed from the electromagnet shown above

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.