zad. 11 i 12
11)
mC=12u
mCu2O=144u
2Cu2O + C---->4Cu + CO2
2*144g Cu2O------12g C
72g Cu2O-----------xg C
x = 72*12/2*144
x = 3g C
12)
2H2 + O2---->2H2O
2*22,4dm3 wodoru--------22,4dm3 tlenu
2dm3 wodoru-----------------xdm3 tlenu
x = 2*22,4/2*22,4
x = 1dm3 tlenu
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
11)
mC=12u
mCu2O=144u
2Cu2O + C---->4Cu + CO2
2*144g Cu2O------12g C
72g Cu2O-----------xg C
x = 72*12/2*144
x = 3g C
12)
2H2 + O2---->2H2O
2*22,4dm3 wodoru--------22,4dm3 tlenu
2dm3 wodoru-----------------xdm3 tlenu
x = 2*22,4/2*22,4
x = 1dm3 tlenu