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11 August, 12:49

Heelp

Balance the chemical reactions:

Na2O + H2O - - - > 2NaOH

K2O + H2O - - - > KOH

MgO + H2O - - - > Mg (OH) 2

CaO + H2O - - - > Ca (OH) 2

SO2 + H2O ⇄ H2SO3

SO3 + H2O - - - > H2SO4

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  1. 11 August, 13:02
    0
    Balanced:

    1. Na2O + H2O - - - > 2NaOH

    2. K2O + H2O - - - > 2KOH

    3. MgO + H2O - - - > Mg (OH) 2

    4. CaO + H2O - - - > Ca (OH) 2

    5. SO2 + H2O ⇄ H2SO3

    6. SO3 + H2O - - - > H2SO4

    All except by 2 were balanced.
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