if average molecular wt. of air is 29, then assuming N2, and O2 gases are there which options
are correct regarding composition of air:
, (i) 75% by moles N2(2) 75percent by moles N2 (iii) 72.41% by mass of N2,
(a)only(1) is correct
(b) only (2) is correct
(c) both (3)and (ii) are correct
(d) both (i) and (11) are correct
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Average wt. air is 29 Nitrogen = x10 × 29 x = 75% ... and O2 gases are there which options are correct regarding composition of air: ... only (ii) is correct ... If cytochrome c is 0.43% Fe (atomic mass = 56 amu) by weight, then the ... 1 Verified Answer ... Calculate the mass percentage of different constituent elements in urea. 1 ..
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