What is the gram-formula mass of fe(no3)3?
(1) 146 g/mol (3) 214 g/mol
(2) 194 g/mol (4) 242 g/mol

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 are the two major rules associated with polarity

How many moles of water are created if 3 moles of hydrogen react completely with excess oxygen?