The number of mole of a molecule is defined as its mass per molar mass. using # mol = n, mass = m and molar mass = m and given that n = m m , rearrange this expression for (a) m = ? (b) m = ? (c) if n = 0.0021 mol and m = 44 g/mol; what is the value of m?

How many neutrons does an element have if its atomic number is 50 and its mass number is 166

Drag the tiles to the correct locations. each tile can be used more than once, but not all tiles will be used. one or more locations will remain empty. nitrosyl fluoride has the chemical formula nof nitrogen has five valence electrons, oxygen has six, and fluorine has seven. complete the lewis structure for this covalent compound. f n = = = . : : 0 : reset next um. all rights reserved us 2

What is the equation fort the alkaline zinc/manganese dioxide cell. a) anode b)cathode c)overall equations.