Counting atoms – Ninja Welcome to Counting atoms practice - NinjaHow many Mo atom(s) is(are) in (NH4)3PO4.12MoO3? How many Fe atom(s) is(are) in K3[Fe(C2O4)3]⋅3H2O? How many O atom(s) is(are) in 5 CuCO3.Cu(OH)2? How many H atom(s) is(are) in 4 Na2HPO4.12H2O? How many H atom(s) is(are) in (NH4)3PO4.12MoO3? All done? Click submit to receive your results on the next page. Time's up