If 2.0 mL of 6.0M HCl is used to make a 500.0-mL aqueous solution, what is the molarity?
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Answer:
0.024M
Explanation:
Data obtained from the question include:
C1 = 6M
V1 = 2mL
C2 =?
V2 = 500mL
The molarity of the diluted solution can be obtained as follows:
C1V1 = C2V2
6 x 2 = C2 x 500
Divide both side by 500
C2 = (6 x 2) /500
C2 = 0.024M
The molarity of the diluted solution is 0.024M
Answer:
The molarity is 0.024 mol / L
Explanation:
Molarity = Number of moles / Volume of solution
= (6.0 mol/L x 2.0 x L) / 0.500 L
= 0.024 mol / L
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The excited atom can be described as electrically neutral because from its electron configuration ;
- The number of electrons ( 11 ) = Number of protons ( 11 )
From the electron configuration 2-7-2 the number of electrons equals ( 2 + 7 + 2 ) = 11 electrons, also the number of protons will be = 11 for the atom to be neutral. While the number of Neutron is not significant in the positivity or negativity of atoms.
The subatomic particles contained in an atom are protons, neutrons and electrons ( which are present in the outer most shell ) and represents the electron configuration of an atom. while the number of neutrons is determined by the Isotope.
Hence we can conclude that The excited atom can be described as electrically neutral because from its electron configuration ; The number of electrons = Number of protons .
Learn more : brainly.com/question/3610433
Answer:
Number of electrons: 11
Number of protons: 11
Number of neutrons : not enough information.
Explanation:
an atom contains sub atomic particles electrons, protons and neutrons.
Electrons are present in the outer shells.
The given atom contains eleven electrons.
The atom is neutral so the number of electrons will be equal to number of protons. The number of protons will be 11.
The number of neutrons will depend upon the type of isotope.
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It means you perform the experiment ... maybe several times ... you make
lots of measurements, and you collect a lot of numbers from the experiment.
Then what have you got ? You have tons of numbers. That's your data.
The numbers don't stand up on the paper and sing like a choir and tell you
the results of the experiment. Somehow, at some point, YOU have to take
all the numbers, look them over, under, around, and through, from every
possible angle, and decide what the numbers are telling you.
THAT's the interpretation of the data.
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(B) specific gravity
(C) vapor pressure
(D) viscosity
(E) freezing point
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I would say vapor pressure, but I could be wrong. Good luck ^^