How many grams of Fe2O3 could be produced by reacting 45.0 g of O2 with excess iron?

Asample of sea water contains 6.28g of sodium chloride per litre of solution. how many milligrams of sodium chloride would be contained in 15.0ml of this solution?

1. true or false: minerals are inorganic. true false 2. inorganic means that something has never been found alive 3. halite is another name for and is a mineral with a cubic crystal pattern. table salt rock salt

In the diagram here that represents the reaction, which reactant, a or b, is the limiting reagent?