Calculate the number of moles of NaOH in an aqueous solution of 36 cm3 of 0.1 mol dm−3. PLSS EXPLAIN WHAT YOU DO I DONT GET IT

The number of moles of NaOH is 0.0036 moles

Explanation:

Molarity is defined as the amount of solute expressed in the number of moles present per liter of solution. The units of molarity are mol/L. The formula used to calculate molarity:

.....(1)

Given values:

Molarity of NaOH =         (Conversion factor:

Volume of the solution =             (Conversion factor:

Putting values in equation 1, we get:

Hence, the number of moles of NaOH is 0.0036 moles

the electronic configuration of an atom with eight electrons is 1s²2s²2p⁴. the orbital diagrams are shown in the figure.

as per the hunds rule:

1. electrons tend to avoid being in the same orbital as per as practicable.

2. electrons in different orbitals of the same energy will have their spin parallel.

this can be illustrated from the multiplicity of the orbitals of the atom. as there are four electrons in the p orbital and p orbital has 3 sub-shells. the electrons can be fed in different ways as shown in the figure but the correct orbital diagram will be as per the hunds rule.

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