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kati45 [8]
3 years ago
14

How many atoms are equal to 4.61 moles of carbon?

Chemistry
2 answers:
Effectus [21]3 years ago
5 0
Well accounting google,


Chemists generally use the mole as the unit for the number of atoms or molecules of a material. One mole (abbreviated mol) is equal to 6.022×1023 molecular entities (Avogadro's number), and each element has a different molar mass depending on the weight of 6.022×1023 of its atoms (1 mole).
Tasya [4]3 years ago
3 0

<u>Answer:</u> The number of atoms in given amount of carbon are 2.78\times 10^{24}

<u>Explanation:</u>

We are given:

Moles of carbon atom = 4.61 moles

According to mole concept:

1 mole of a n element contains 6.022\times 10^{23} number of atoms

So, 4.61 moles of carbon will contain (4.61\times 6.022\times 10^{23})=2.78\times 10^{24} number of atoms.

Hence, the number of atoms in given amount of carbon are 2.78\times 10^{24}

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C3H8 + 5 O2 → 3 CO2 + 4 H2O
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Answer:

Mass = 112 g

Explanation:

Given data:

Mass of CO₂ produced = 90.6 g

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Solution:

Chemical equation:

C₃H₈ + 5O₂       →      3CO₂+ 4H₂O

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Number of moles = 90.6 g/ 44 g/mol

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Now we will compare the moles of  CO₂ and oxygen:

                 CO₂           :           O₂

                    3             :            5

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Mass = number of moles × molar mass

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