Complete the chart. (Remember to enter a "0" if necessary.)
2 answers:
Answer : The electronic configuration of Atomic number 10 is,
Explanation :
Electronic configuration : It is defined as the arrangement of electrons of an atom in an atomic orbitals.
In the electronic configuration, the s, p, d, f are the sub-shells which can hold 2, 6, 10, 14 electrons respectively.
Given : Atomic number = 10
Atomic number = Number of electrons
The number of electrons = 10
The electronic configuration of Atomic number 10 is,
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Answer:
0.21 M. (2 sig. fig.)
Explanation:
The molarity of a solution is the number of moles of the solute in each liter of the solution. The unit for molarity is M. One M equals to one mole per liter.
How many moles of NaOH in the original solution?
,
where
is the number of moles of the solute in the solution.
is the concentration of the solution.
for the initial solution.
is the volume of the solution. For the initial solution,
for the initial solution.
.
What's the concentration of the diluted solution?
.
for the diluted solution.
- Volume of the diluted solution:
.
Concentration of the diluted solution:
.
The least significant number in the question comes with 2 sig. fig. Keep more sig. fig. than that in calculations but round the final result to 2 sig. fig. Hence the result: 0.021 M.
The answer is below !
D.
D.