(10 pts] For the below reaction: NH2
1) NaNO2, HCI
А
2) CuCN
A
1) PhMgBr
B
2) H+H30+
a) provide the structure of compound A.
b) use the compound A to provide the structure of compound B.

It is a mixture. simply put, a compound must be pure, that is, of only one chemical structure and composition. a mixture is made of different chemical substances (i.e. elements, molecules, compounds) that are not chemically bonded to each other, but instead physically grouped together, as in the case of gasoline (a homogeneous solution).

The molar mass of a substance is defined as the mass of 1 mol of that substance, expressed in grams per mole, and is equal to the mass of 6.022 × 10 23 atoms, molecules, or formula units of that substance.