How many moles of FeCl3 are produced when 64.0 moles of Cl2 reacts with excess
Fe?
2 Fe + 3 Cl2 --> 2 FeCl3
a) 64.0 moles
b) 0.90 moles
C) 96.0 moles
d) 42.7 moles

Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. a solution containing 3.50 g of sodium carbonate is mixed with one containing 5.00 g of silver nitrate. how many grams of sodium carbonate, silver nitrate, silver carbonate, and sodium nitrate are present after the reaction is complete?

What must occur for air masses to form fronts

Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?