Question

Answer these 4 stoichiometry problems shown in the picture below:

Answer 1

Stoichiometry is a section of chemistry that involves using relationships between reactants and/or products in a chemical reaction to determine desired quantitative data. In Greek, stoikhein means element and metron means measure, so stoichiometry literally translated means the measure of elements.

Answer 2

Answer:

Iron(III) oxide or ferric oxide is the inorganic compound with the formula Fe2O3. It is one of the three main oxides of iron, the other two being iron(II) oxide (FeO), which is rare; and iron(II,III) oxide (Fe3O4), which also occurs naturally as the mineral magnetite.

Iron (Fe)

Atomic number 26

Atomic mass: 55.845 u

Electrons per shell: 2, 8, 14, 2