Joellel2941
01.09.2019 •
Chemistry
Irradiated pvc insulated jacket can withstand a maximum temperature of?
a. 125° c
b. 150° c
c. 140° c
d. 130° c
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Ответ:
Ответ:
The much hydrogen that is produced is 0.02 mol of H₂ (answer B)
Explanation
2K +2H₂O→ 2 KOH + H₂
Use the mole ratio to determine the moles of H₂
From equation above the K :H₂ is 2:1
Therefore the moles of H₂ = 0.04 x 1/2 = 0.02 mol of H₂