c) 31,5m³v=10m*5m*3mv=150m³150m³ powietrza ------100%xm³ tlenu -----------------21%x = 31,5m³ tlenu
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c) 31,5m³
v=10m*5m*3m
v=150m³
150m³ powietrza ------100%
xm³ tlenu -----------------21%
x = 31,5m³ tlenu