Determine the number of oxygen atoms in 1.35 moles of NaHCO3

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.

What is the percentage of hydrogen in nitrogen trihydride

In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2