When 100. mL of 6.00 M HCl is diluted to 300. mL, the final concentration is .
A - 3.00 M
B- 12.0 M
C- 2.00 M
D- 18.0 M
E- 1.00 M

2.00 M

Explanation:

The concentration of a solution is given by

where

m is the mass of solute

V is the volume of the solution

At the beginning, the solution has:

M = 6.00 M is the concentration

V = 100 mL = 0.1 L is the volume

So the mass of solute (HCl) is

Then, the HCL is diluted into a solution with volume of

V = 300 mL = 0.3 L

Therefore, the final concentration is:

8

explanation:

each principal energy level above the first contains one s orbital and three p orbitals. a set of three p orbitals, called the p sublevel, can hold a maximum of six electrons. therefore, the second level can contain a maximum of eight electrons - that is, two in the s orbital and 6 in the three p orbitals.

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your answers are a,b,,e and f

i hope this