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(A) According to Avogadro's Law,under the same conditions of temperature and pressure,equal volumes of gases contain an equal number of moles $(n)$.Ma

Vedclass · Accepted Answer

$2 : 3 : 4$

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(A) According to Avogadro's Law,under the same conditions of temperature and pressure,equal volumes of gases contain an equal number of moles $(n)$.Mass $(m)$ = Number of moles $(n)$ $	imes$ Molar mass $(M)$.Since $n$ is constant for all three gases,the ratio of their masses is equal to the ratio of their molar masses.Molar mass of $O_2 = 32 \ g/mol$.Molar mass of $O_3 = 48 \ g/mol$.Molar mass of $SO_2 = 64 \ g/mol$.Ratio of masses = $32 : 48 : 64$.Dividing by $16$,we get $2 : 3 : 4$.

Under the same conditions of temperature and pressure,the ratio of the masses of equal volumes of $O_2$,$O_3$,and $SO_2$ will be respectively .............

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