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Scrat [10]
3 years ago
5

If I only want to make 500 mL of a 1.25% bleach solution, how many milliliters of bleach would I need? Show your work or explain

how to figure it out.
Chemistry
1 answer:
kiruha [24]3 years ago
4 0

Answer:

  6.25 mL

Explanation:

1.25% of 500 mL is ...

  0.0125×(500 mL) = 6.25 mL

Since 1.25% of the 500 mL of solution is bleach, that's how much you need. That amount is 6.25 mL.

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A gas has a volume of 6.35 L at 88.6 kPa. What will be the volume at standard pressure? Standard Pressure = 101.3 kPa
alukav5142 [94]

Answer:

5.55 L

Explanation:

This excersise can be solved by the Boyle's law.

This law for gases states that the pressure of a gas in a vessel is inversely proportional to the volume of the vessel.

P₁ . V₁  = P₂ . V₂

The law comes from the Ideal Gases Law, in the first term.

P . V = n . R . T  In this case, n . R . T are all constant.

6.35 L . 88.6 kPa = 101.3 kPa . V₂

V₂ = (6.35 L . 88.6 kPa) / 101.3 kPa

V₂ = 5.55 L

It is inversely proportional because, as it happened in this case, pressure was increased, therefore volume decreased.

5 0
3 years ago
3. Which of the following most likely describes an isotope? *
Nimfa-mama [501]
I think the answer might be B but i’m not positive
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3 years ago
Which geoiogic feature is most likey to from a mid
scZoUnD [109]
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8 0
3 years ago
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Ganezh [65]

Answer:

1 Atm

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Dalton's law

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4 0
3 years ago
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What are the values for % Cl and % F, respectively, for Sample II?
horsena [70]

Answer:

Explanation:

The mass percentages of chlorine and fluorine:

  Given:

Mass of chlorine = 5.753g

 Mass of fluorine = 9.248g

Find the total of the masses given:

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% of Cl = \frac{mass of chlorine}{total mass} x 100

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% of F =  \frac{9.248}{15.001} x 100 = 61.65%

6 0
3 years ago
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