Which of the following cations would need Roman Numerals in the name of the ionic compound that it forms?
Cadmium (Cd)
Platinum (Pt)
Germanium (Ge)
Francium (Fr)
Clear solection

For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)→4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.