"109% of ${H_2}S{O_4}$" labeled oleum sample is mixed with"118% of ${H_2}S{O_4}$ labeled oleum sample then mas%of"free$S{O_3}$" in resulting mixture will be
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"109% of ${H_2}S{O_4}$" labeled oleum sample is mixed with"118% of ${H_2}S{O_4}$ labeled oleum sample then mas%of"free$S{O_3}$" in resulting mixture will be