A welding fuel gas contains carbon and hydrogen only Burning a small sample of it in oxygen gives 3 38 g carbon dioxide 0 690 g

Question

A welding fuel gas contains carbon and hydrogen only Burning a small sample of it in oxygen gives 3 38 g carbon dioxide 0 690 g water and no other products A volume of 10 0 L measured at NTP of this welding gas is found to weigh 11 6 g Calculate i empirical formula ii molar mass and iii molecular formula of the gas Calculation of mass percent of carbon and hydrogen CO C

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