3 years ago

Question 4 options: what is the volume of 1.2 moles of water vapor at stp?

1 answer:

3 0

What is the volume of 1.2 moles of water vapor at STP?
The answer is 26.9

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Mrrafil [7]

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BlackZzzverrR [31]

Answer: The volume of gas is 3020 ml

Explanation:

According to ideal gas equation:

$PV=nRT$

P = pressure of gas = 821.4 torr = 1.08 atm (760 torr = 1atm)

V = Volume of gas in L = ?

n = number of moles = $\frac{\text {given mass}}{\text {Molar mass}}=\frac{17.0g}{245.28g/mol}=0.069mol$

R = gas constant = $0.0821Latm/Kmol$

T =temperature = $302.7^0C=(302.7+273)K=575.7K$

$V=\frac{nRT}{P}$

$V=\frac{0.069mol\times 0.0821Latm/K mol\times 575.7K}{1.08atm}=3.02L=3020ml$

Thus volume of gas is 3020 ml

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2 years ago

loris [4]

Answer:

break it down and just put the numbers

Explanation:

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2 years ago