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lutik1710 [3]
3 years ago
11

Julia wants to find out which color fabric will heat up the fastest when put under a direct light.

Chemistry
2 answers:
drek231 [11]3 years ago
3 0
NO the answers wont be valid.
Readme [11.4K]3 years ago
3 0

Answer:

no to many variables

Explanation:

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A scientist has 500 mL of a 2.1 M stock solution. She dilutes the solution, and the volume of the solution after the dilution is
Liono4ka [1.6K]

The molarity of the diluted solution is 0.32 M

Considering the question given above, the following data were obtained:

Volume of stock solution (V₁) = 500 mL

Molarity of stock solution (M₁) = 2.1 M

Volume of diluted solution (V₂) = 3.25 L = 3.25 × 1000 = 3250 mL

<h3>Molarity of diluted solution (M₂) =....? </h3>

The molarity of the diluted solution can be obtained as follow:

<h3>M₁V₁ = M₂V₂</h3>

2.1 × 500 = M₂ × 3250

1050 = M₂ × 3250

<h3>Divide both side by 3250</h3><h3 />

M₂ = 1050 / 3250

<h3>M₂ = 0.32 M</h3>

Therefore, the molarity of the diluted solution is 0.32 M

Learn more: brainly.com/question/22325751

4 0
2 years ago
Please help me, will mark brain whoever answers the fastest!
iogann1982 [59]

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What is the balanced equation of Na2S+CuSO4=CuS+Na2SO4?​
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What you were given is the balanced chemical equation
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Dmitri mendeleev contribution to the periodic table.
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In 1871, a Russian Chemist, Dimitri Mendeleev, gave a useful scheme for classification of elements. He presented the first regular periodic table in which elements of similar chemical properties were arranged in eight vertical columns called groups. The horizontal rows of table were called periods. He arranged elements in ascending order of their  atomic masses and found that elements having similar chemical properties appeared at regular intervals. This observation was called Periodic Law.

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