mH2=2umO2=32umH2O=18u2H2 + O2---->2H2O4g H2 ---------36g H2Oxg H2 ----------72g H2Ox = 8g H232g O2 -------36g H2Oyg O2 ----------72g H2Oy = 64g O2
m H₂O = 2*1u+16u = 18u
wodór:
2u ------- 18u
x g -------- 72g
18x = 2*72 |:18
x = 8 [g]
tlen:
72g-8g = 64g
czyi odpowiedź A
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mH2=2u
mO2=32u
mH2O=18u
2H2 + O2---->2H2O
4g H2 ---------36g H2O
xg H2 ----------72g H2O
x = 8g H2
32g O2 -------36g H2O
yg O2 ----------72g H2O
y = 64g O2
m H₂O = 2*1u+16u = 18u
wodór:
2u ------- 18u
x g -------- 72g
18x = 2*72 |:18
x = 8 [g]
tlen:
72g-8g = 64g
czyi odpowiedź A