Asubstance that speeds up the rate of a chemical reaction is called
a. a catalyst.
b. a lipid.
c. a molecule.
d. an element.

Which statement correctly describes potassium iodide, ki? there is a one-to-one ratio of potassium ions to iodide ions. potassium gains electrons and iodine loses electrons during the reaction. the lattice is held together by potassium anions and iodide cations.

What is the percent by mass of oxygen in fe2o3

How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.