a=3m, b=4,5m, c=2,5m
v=a*b*c
v=3m*4,5m*2,5m
v=33,75m3 powietrza
33,75m3 powietrza ----- 100%
xm3 tlenu ----------------- 21%
x = 7,0875m3 tlenu
v=7,0875m3
d=1,309g/dm3=1,309kg/m3
m=v*d
m=7,0875*1,309
m = 9,28kg tlenu
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a=3m, b=4,5m, c=2,5m
v=a*b*c
v=3m*4,5m*2,5m
v=33,75m3 powietrza
33,75m3 powietrza ----- 100%
xm3 tlenu ----------------- 21%
x = 7,0875m3 tlenu
v=7,0875m3
d=1,309g/dm3=1,309kg/m3
m=v*d
m=7,0875*1,309
m = 9,28kg tlenu