Q. 32 A3.5( 4 Votes )

Name a greenhouse gas with molar mass 44 g mol–1 and is known to extinguish fire.

[Given, atomic masses of C = 12 u, O = 16 u, NA = 6.022 × 1023 per mole]

Answer :

Carbon dioxide


Carbon dioxide is a greenhouse gas and is used to


extinguish fire.


The molar mass of CO2 is:


Atomic mass of C + 2 × (Atomic mass of oxygen)


12 + 2×16


44g/mol


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