teexie6822 teexie6822
  • 04-01-2018
  • Chemistry
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How many moles of co2 must dissolve in an excess of water to produce 3 moles of h2co3?

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Dejanras
Dejanras Dejanras
  • 13-01-2018
Answer is: 3 mol of CO₂ must dissolve in water.
Chemical reaction: CO₂ + H₂O ⇄ H₂CO₃.
CO₂ - carbon(IV)-oxide.
H₂CO₃ - carbonic acid.
n(H₂CO₃) = 3 mol.
from reaction: n(CO₂) : n(H₂CO₃) = 1:1.
n(CO₂) : 3 mol = 1 : 1.
n(CO₂) = 3 mol.
n - amount of substance.
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