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Nuetrik [128]
4 years ago
7

What is the molarity when 8.0 moles of solute are dissolved in 1.5 liters of solution?

Chemistry
2 answers:
Rzqust [24]4 years ago
5 0

Answer:

5.3 M

Explanation:

Given data

  • Moles of solute: 8.0 moles
  • Volume of solution: 1.5 liters

The molar concentration or molarity (M) is the quotient between the moles of solute and the volume of solute expressed in liters.

M = moles of solute / volume of solution (L)

M = 8.0 mol / 1.5 L

M = 5.3 mol/ L = 5.3 M

The molarity of the solution is 5.3 M.

KonstantinChe [14]4 years ago
4 0
5.3m is the right answer.
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Please help I’ll mark brainliest. Thank you :)
Jobisdone [24]

Answer:

a. There are only 5 electrons in 2p. 2p should be filled with 6 electrons prior to 3s and 3p

b. There are 8 electrons in 2p. 2p should be filled only with 6 electrons (not 8)

Explanation:

The typical electron configuration: 1s2 2s2 2p6 3s2 3p6

a. There are only 5 electrons in 2p

=> should be 1s2 2s2 2p6 3s2 3p2

b. There are 8 electrons in 2p

=> should be 1s2 2s2 2p6 3s2 3p1

6 0
2 years ago
Calculating the Molecular Weight and Subunit Organization of a Protein From Its Metal Content The element molybdenum (atomic wei
Deffense [45]

Answer:

Dimer of two peptide chains with 1 mole of molybdenum metal each.

Explanation:

Percentage of molybdenum in protein = 0.08%

Molecular mass of nitrate reductase = 240,000 g

Mass of molybdenum = x

0.08\%=\frac{x}{240,000 g}\times 100=192 g

Moles of molybdenum =\frac{192 g}{95.95 g/mol}=2.00 mol

Each peptide chain of nitrate reductase contain 1 mole of molybdenum.

This means that nitrate reductase is composed of to two peptide chains. And in each peptide there is a single mole of molybdenum metal.

4 0
3 years ago
Which set of three quantum numbers (n, l, ml) corresponds to a 2p orbital?
Sunny_sXe [5.5K]
N=2 (always first number), l=1 (corresponds to p), ml=(-1 to 1)
4 0
3 years ago
The atomic number of an atom is equal to the number of..
frez [133]

The  answer is (E). protons.

The atomic number of an atom is equal to the number of protons in the nucleus.

I hope this helped.

3 0
3 years ago
Avogadro counted the number of __ in carbon 12 gas
Burka [1]

Answer:

(atoms.............) is the homogeneous mixture

5 0
3 years ago
Read 2 more answers
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