What is the molarity of NH, +?​

One of the reactions in a blast furnace used to reduce iron is shown above. how many grams of fe2o3 are required to produce 15.5 g of fe if the reaction occurs in the presence of excess co? a.11.1 g b.22.1 g c.30.0 g d.44.2 g

What is the number of moles in 15.0 g ash3?

Layers of rock containing fossils, like the layers illustrated here, are most likely composed of rocks.