Question

It is proposed to use a katharometer to measure the amount (about 5%) of oxygen in nitrogen, in the presence of a small amount (0.5%) hydrogen. how constant would the proportion of hydrogen have to be in order to limit errors in measurement of % oxygen to + 0.1%? the thermal conductivities are: nitrogen 0.993 oxygen 1.052 hydrogen 6.993

Answer 1

answer is 33 I hope I helped you