Answer to Question #243779 in Chemical Engineering for Potti

Question #243779

3.Carbon monoxide (CO) is present in standard atmospheric air at a concentration of 50 ppm. Air density 1.185 kg/m and molecular weight is 28. Then what is the mass volume concentration (in micro grams /m') in the atmosphere? Explain the problem with step by step process

a) 12761


b) 79142 c) 28513 d) 57260


1
Expert's answer
2021-10-13T04:57:29-0400

Step 1:

CO concentration: 50ppm

Density: 1.185 kg/m

Molecular weight : 28

Step 2:

ppm =


concentration(50ppm) x 1.185 kg/m


molecular weight(g/mol) x 1000 (mL/m3*g)


Step 3: Mass volume: 28513

Correct option is c


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