| you get 26.7%
Here's how you work it out...................
120bar of 32% is like 38.4 bar of O2 and 81.6 bar of N2
adding 112 bar of air is like adding 23.4bar of O2 and 88.6bar of N2
So you end up with 61.8bar of O2 and 170.2bar of N2
61.8 as a percentage of 232 is 26.64%
It's easy!
HTH
Bob |