First slide
Gas laws

Equal masses of H2O2 and CH4have been taken in a container of volume V at temperature 27°C in identical conditions. The ratio of the volumes of gases H2:O2CH4 would be


According to Avogadro's hypothesis, ratio of the volumes of gases will be equal to the ratio of their no. of moles. 

So, no. of moles=  Mass  Mol. mass 


 So, the ratio is w2:w32:w16 or 16:1:2 . 

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