What is the electron configuration of chlorine (cl? 1s22s22p63s23p3 1s22s22p63s23p5 1s22s22p63s24s23p3 1s22s22p63s23p23d3?
2 answers:
Answer: The electronic configuration of Chlorine is
Explanation: Electronic configuration is the distribution of electrons of an atom of molecule in atomic or molecular orbitals respectively.
Chlorine is an element present in group 17 of the periodic table. It's atomic number is 17.
Number of electrons = Atomic number
Number of electrons in Cl atom = 17
Electronic configuration of Cl will be
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The concentration of lead nitrate is 3.48 M.
<u>Explanation:</u>
The molarity can be found by dividing moles of sucrose by its volume in litres. We can find the number of moles of sucrose by dividing the given mass by its molar mass. Now we can find the moles as,
Here mass of Pb(NO₃)₂ is 380 g
Molar mass of Pb(NO₃)₂ is 331.2 g/mol
Number of moles =
=
= 1.15 moles
Volume in Litres = 330 ml = 0.33 L
Molarity =
= 3.48 mol/L or 3.48 M
So the concentration of lead nitrate is 3.48 M.