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Sagot :
Answer:
Explanation:
The reaction is 2H2 + O2 -> 2 H2O
So the molar ratio of H2 and O2 is 2:1
No. of moles of H2 = 12.5/2 = 6.25
No. of moles of O2 = 5.14/32 =0.16
As 6.25 > 0.16*2 = 0.32
there will be H2 leftovers of 6.25-0.32 = 5.93 moles or 11.86 grams
Answer:
Explanation:
2 H2 + 1 O2 => 2 H2O
molecular wt of H2 = 2
molecular wt of O2 = 32
so wt of H2 : wt of O2 = 2x2 : 16 = 4 : 16 = 1 : 4
there are way more H2 as 12.5 > 5.14/4 = 1.285
H2 leftovers = 12.5 - 1.285 = 11.215 gram
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