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Alinara [238K]
3 years ago
5

Calculate number of moles present in 2.3g

Chemistry
1 answer:
Natalija [7]3 years ago
4 0

Explanation:

idk if that's the actual answer but I hope it helps (:

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While finding the number of molecules of oxygen molecules present in 3.65 moles of Na2SO4 the conversion factor used would be
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Answer

Avogadro's number: One mole of any substance contains 6.022×10²³ molecules

Explanation

While finding the number of moles of oxygen molecules present in 3.65 moles of Na2SO4 the conversion factor used would be Avodagro's number, which is

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1 year ago
The scientific method is one application of critical thinking.true or false
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3 years ago
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Svetllana [295]

Answer:

0.0025moles

Explanation:

Molarity of a solution (M) = number of moles (n) ÷ volume (V)

According to this question, to make 250 mL of a 0.01 M solution of CaCl, the following number of moles is needed:

Volume = 250mL = 250/1000 = 0.250Litres.

Using; molarity = n/V

0.01 = n/0.250

n = 0.0025

n = 2.5 × 10^-3 moles.

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2 years ago
A)The lower the greenhouse gases, the higher the ocean temperature.
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The higher the greenhouse gases, the higher the ocean temperature

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How long is 5 half lives if the half life is 2.6 hours? Remember to round to the correct number of significant figures and use u
Dmitry [639]

Answer:

\Delta t = 13\,h

Explanation:

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