A 0.682 g sample of aluminum metal was reacted with dilute sulfuric acid and the hydrogen evolved was collected over mercury at a barometric pressure of 737 torr and a temperature of 22 degrees C. What volume of hydrogen gas was collected

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.