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1.42L of the 9.0M NaOH are required

Explanation:

Molarity is an unit of concentration in chemistry defined as the ratio of the moles of a solute (In this case NaOH) and the volume of the solution.

To solve this question we must know the moles of NaOH required in 4.25L of a 3.0M NaOH as follows:

4.25L * (3.0moles / L) = 12.75 moles of NaOH are required

As all NaOH must come from the 9.0M NaOH the volume we need is:

12.75 moles NaOH * (1L / 9.0 moles NaOH) =

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).