M = mol/g solve for mol

Your roll: experienced electron speech is adressed to: a new "freshman class" of electrons job: write a speech task: you are to pretend that you are giving a speech to a new group of electrons. be sure to mention their placement in an atom, their charge, and their role in chemical bonding (ionic and covalent) be specific!

Different isotopes indicate that an element will have different numbers of

Asolution contains 180 g of glucose (c6h12o6) and 162 g of water. what is the mole fraction of glucose?