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Assoli18 [71]
2 years ago
11

What is the mass of chlorine if it has a volume of 68.78 mL and a density of 3.16g/L

Chemistry
1 answer:
Svetllana [295]2 years ago
7 0

Answer:

0.217 g Cl

Explanation:

(Step 1)

Convert volume from mL to L.

It is important to arrange the conversion in a way that allows for the cancellation of units.

1,000 mL = 1 L

 68.78 mL Cl                  1 L
----------------------  x  ------------------  =  0.06878 L Cl
                                  1,000 mL

(Step 2)

Multiply the calculated volume by the density.

It is important to arrange the density ratio in a way that allows for the cancellation of units. Remember, the density ratio compares the mass (g) of chlorine per every 1 liter.

 0.06878 L Cl               3.16 g
------------------------  x  -----------------  =  0.217 g Cl
                                         1 L  

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The volume of 7.91 M HCl needed to make 196.1 mL of 2.13 M HCl is ____.
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Answer:

a. 52.8

Explanation:

To find the number of moles of HCl we use the relation M₁V₁=M₂V₂

where M₁ is the initial molarity, M₂ the new molarity, V₁ the initial volume used, and V₂ the final volume obtained.

M₁=7.91 M

M₂=2.13 M

V₁=?

V₂=196.1 mL

Replacing these values in the relationship.

M₁V₁=M₂V₂

7.91 M× V₁=2.13 M×196.1 mL

V₁=(2.13 M×196.1 mL)/7.91 M

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3 years ago
If the fugacity of a pure component at the conditions of an ideal solution is 40 bar and its mole fraction is 0.4, what is its f
yaroslaw [1]

Answer : The fugacity in the solution is, 16 bar.

Explanation : Given,

Fugacity of a pure component = 40 bar

Mole fraction of component  = 0.4

Lewis-Randall rule : It states that in an ideal solution, the fugacity of a component is directly proportional to the mole fraction of the component in the solution.

Now we have to calculate the fugacity in the solution.

Formula used :

f_i=X_i\times f_i^o

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f_i = fugacity in the solution

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X_1 = mole fraction of component

Now put all the give values in the above formula, we get:

f_i=0.4\times 40\text{ bar}

f_i=16\text{ bar}

Therefore, the fugacity in the solution is, 16 bar.

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3 years ago
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Explanation:

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Answer:

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Explanation:

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