The results of a titration experiment were as follows: # Volume of aqueous NaOH pipetted into the conical flask = 10.00 mL
# Average volume of dilute HCl added from the burette to reach the endpoint
12.54 mL
Molarity of the dilute HCI=1.196 M
(a). Write the chemical reaction equation for the titration reaction.​

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.

hey there!

mass = 6.75 g

volume =   9 cm³

therefore:

d = mass / volume

d   = 6.75 / 9

d = 0.7 g/cm³

answer b