We see in the given name of the hydrocarbon that the root word is pentane from 2,2,4-trimethylpentane. Pentane is a hydrocarbon chain that contains 5 carbon atoms. Therefore, the answer to this item is 5 carbons.
You need to use a liquid measuring tube to find the volume. For example, use your measuring skill on the tube to find the volume. Good Luck!!!
Answer:
Concentration of the first solution: approximately 0.200 mol/L.
Concentration of the diluted solution: approximately 0.0250 mol/L.
Explanation:
Refer to a modern periodic table for relative atomic mass data:
- H: 1.008;
- S: 32.06;
- O: 15.999.
Formula mass of sulfuric acid
:
.
Number of moles of
in
of this substance:
.
Convert cubic centimeters to liters:
.
.
.
Concentration of this solution:
.
While both the volume and the concentration of the
solution changes when it is diluted, the number of moles of
in this solution will stay the same. Number of moles of
in this
of concentrated solution:
.
That will be the same as the number of moles of
in the diluted solution.
Concentration of this solution after it is diluted to
:
.