What volume, in mL, of a 0.200 M H3PO4 solution is needed to react with 120. mL of 0.100 M NaOH solution?

H3PO4 + 3NaOH à Na3PO4 + 3H2O

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).

it was spontaneous.

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