1Mg + 2H20 --> Mg(OH)2 + H2 What volume of hydrogen will be produced at STP by the reaction 67.3 g of
magnesium?

A- 62.0L
B-0.12L
C - 2.77 L
D - 1.15L

Use a magnet to separate iron, evaporate water, i'm not sure how to separate the other two i'm sorry but good luck

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).