Multiple ChoiceIf you produced 5 moles of Ca3(PO4)2, how many moles of calcium ions (Ca^{2+}) are present?29views
Multiple ChoiceHow many atoms are present in 179.0 g of iridium (Ir)? (Atomic mass of Ir = 192.2 g/mol)32views
Multiple ChoiceHow many atoms are present in a 591 g sample of gold (Au)? (Atomic mass of Au = 197 g/mol)25views