an unknown gas has 1.96 g/l density then gas is
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Answer:
1.96 x (pres factor) x (Temp factor) =
1.96 g/L x (0.855/1) x (273/298) = ?
How does the shorter way work?
P factor. P decreases therefore L increases and density gets smaller so the factor must be less than 1 which makes the small number go in the numerator.
T factor. T increases from 273 to 298, L must increase, larger L means smaller density so the T factor must be less than 1 which makes the small number go on top.
m / V = M / 22.4
and m / v = D so
D = M / 22.4
1.96 = M / 22.4
M = 43.9 g/mol
which is about the M of CO2
Explanation:
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