When the reaction below is balanced, what is the mole ratio of potassium sulfate to aluminum sulfate?    :   AlBr3  +  K2SO4  →  KBr  +  Al2(SO4)3​

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.