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puteri [66]
3 years ago
10

3. How many moles of carbon dioxide gas, CO2, are there in 2.8 L of this gas at STP?

Chemistry
1 answer:
kenny6666 [7]3 years ago
5 0

Answer:

The answer is: 0,13 moles of CO2

Explanation:

We use the formula PV=nRT. The conditions STP are 1 atm of pressure and 273K of temperature:

PV=nRT n=PV/RT

n=1 atm x 2,8 L/ 0,082 l atm/K mol x 273K

n= 0,125078173 mol

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Answer : The balanced chemical reaction will be:

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Explanation :

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As per given statement, the sodium reacts with sulfur to form sodium sulfide as a product.

The balanced chemical reaction will be:

16Na(s)+S_8(s)\rightarrow 8Na_2S(s)

By the stoichiometry we can say that, 16 moles of Na react with 1 mole of S_8 to give 8 moles of Na_2S.

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8.06966961e+25

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