The answer is (3) 53.5 g/mol. The gram formula mass means that the mass of one mol compound. 1N=14, 4H=4, 1Cl=35.5. So the gram formula mass of NH4Cl=14+4+35.5=53.5 g/mol.
Most transition metal form more than one cation but aluminum forms the Al3+ cation only.
Answer:
Explanation:
the nymph looks like a smaller version of the adult insect, & it also has no wings & molts.
