A compound with an empirical formula (E. F) of C2H5 has a molar mass of 58.14 g. Calculate the molecular formula (M. F) of this compound.

answer by yourhope:

how do models compare to real-world objects?

d. most models represent a real-world object in a simpler way.

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answer is: naturally occurring solid, inorganic compound or element is mineral.

minerals usually have crystalline form, that means than crystal constituents (atoms, molecules or ions) are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all directions.

for example magnetite is a mineral of iron oxide (fe₂o₃).

calcite is a carbonate mineral and the most stable polymorph of calcium carbonate (caco₃).

dolomite is an   carbonate mineral composed of calcium magnesium carbonate (camg(co₃)₂).