The molalconcentration of the solution is 5.38 M.
The molal concentration of sulphuric acid = 6.80 m
The density of the solution = 1.318 g/ml
Mass of the sulphuric acid in the solution is,
The mass of sulphuric acid present in the solution is 666.4 g.
Let the mass of the solvent in which sulphuric acid is dissolved be 1000 grams.
So the total mass of the solution is,
= Mass of solvent + Mass of sulphuric acid
The total volume of the solution is,
The volume of the solution is 1.264 liters.
The molal concentration of this solution is,
Therefore, the molal concentration of the solution is 5.38 M.
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b. temperature
c. volume
d. moles
Answer:
A carbon-14 atom has 6 protons, 8 neutrons and 6 electrons. The number 12 or 14 in the name of carbon-12 and carbon-14 refers to their atomic mass.
Explanation:
Those atoms that have the same "atomic number" but differente "atomic mass" (or atomic weight) are called isotopes.
Atomic number indicates the amount of electrons that an atom has, which matchs with the number of protons it has.
Atomic mass indicates the sum of protons and neutrons that an atom has.
Example with carbon-12:
carbon atomic number = 6 (find this information in a periodic table)
electrons= 6
protons= 6
carbon atomic mass = 12 (find this information in a periodic table)
neutrons= atomic mass - number of protons= 12-6 = 6 neutrons
Using the same analysis for carbon-14:
carbon atomic number = 6
electrons= 6
protons= 6
carbon atomic mass = 14
neutrons= atomic mass - number of protons = 14-6 = 8 neutrons
In this way, carbon-14 is an isotope of carbon-12 because carbon-14 has the same atomic number than carbono-12 but different atomic mass.
1
3
4
Answer:
2
Explanation:
the pH of the strong acid solution will be
pH = -log[H+] = -log[0.01] = 2
Answer:
Easterly
Explanation: