A gas sample that has a mass of 7.02 g accupies 319 cm^3 at 54.3 degree C and a pressure of 77.4kpa
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A gas sample that has a mass of 7.02 g accupies 319 cm^3 at 54.3 degree C and a pressure of 77.4kpa

[From: ] [author: ] [Date: 13-04-21] [Hit: ]
203 L) = 34.Your answer is correct, except all the given data use 3 significant digits, so your answer should too.......
what is the gas's density at stp?
I already worked through the problem but I need to know if my answer was right.
Here is how I tackled it
first I used the mm formula to get the molar mass
then I used the density formula and plugged in all the information available.
I got 35 g/L
Is it right?
Please only answer if you know what you're doing :)
Thank you

-
(0.319 L) x (273.15 / (54.3 + 273.15)) x (77.4 / 101.3) = 0.203 L at STP

(7.02 g) / (0.203 L) = 34.6 g/L

Your answer is correct, except all the given data use 3 significant digits, so your answer should too.
1
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