3. What is the gram-formula mass of (NH4)3PO4? A) 112 g/mol
B) 121 g/mol
C) 149 g/mol
D) 242 g/mol

What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion

What are the coefficients that will balance the skeleton equation below? n2 + h2 → nh3

Moseley made revisions to the periodic table that resolved some of the problems with mendeleev's version. which of thesewas a result of his revisions to the periodic table? the revised periodic table could account for the discovery of new elements. the revised periodic table could account for variations resulting from isotopesscientists could begin to write new information onto each element. scientists could begin to place the table on a single sheet of paper.