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susanspagoot6385
12.07.2019 •
Chemistry
The sulfur dioxide (so2) stack-gas concentration from fossil-fuel combustion is 12 ppmv. determine the stack-gas so2 concentration in units of µg/m3. assume 0 °c and 1 atm pressure. express answer to nearest unit.
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Ответ:
The concentration of
in the stack gas = 12 ppmv
That means 12 L of
is present per ![10^{6} L gas](/tpl/images/0081/6572/b7593.png)
The given temperature is 273 K (0 C) and pressure is 1 atm. At these conditions, 1 mol of gas would occupy,
V = 22.4 L
1 mol
occupies 22.4 L
Moles of
= ![12 L *\frac{1 mol}{22.4 L} = 0.5357 mol SO_{2}](/tpl/images/0081/6572/618b9.png)
Mass of
=
=
μg
Converting
:
Calculating the concentration in μg/
:
Ответ: