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    i am supposed to balance the following equation using oxidation states and i keep messing up

    help please

    Cl2 + NaOH --> NaClO3 + NaCl + H2O

    chlorine + sodium hydroxide --> sodium chlorate + sodium chloride + oxygen hydride (water)
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    (Original post by Alkranite)
    i am supposed to balance the following equation using oxidation states and i keep messing up

    help please

    Cl2 + NaOH --> NaClO3 + NaCl + H2O

    chlorine + sodium hydroxide --> sodium chlorate + sodium chloride + oxygen hydride (water)
    Using oxidation states?
    Seems an odd way to go about it (I tend to just balance the number of atoms), but if you look at the o.s. of the chlorine's on both sides as it's the only thing where the o.s. has changed.
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    it is a question from a book.

    and i thought about that but the chlorine has oxidation states ( if i worked it our right) then it has oxidation states of +5 and -1
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    (Original post by Alkranite)
    it is a question from a book.

    and i thought about that but the chlorine has oxidation states ( if i worked it our right) then it has oxidation states of +5 and -1
    So one chlorine atom gained an electron, the other lost 5. One of the five lost went to what is now a chloride ion.
    So what do you think happened to the other 4 electrons?
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    they went to the oxygens in the chlorate ion?
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    (Original post by Alkranite)
    i don't know, i can't remember
    Spoiler:
    Show
    The other four electrons also react with chlorine to make Cl^- so you get a ratio of 5 NaCl's to 1 NaClO3
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    i derped as that should have been really obvious

    so you need 6NaOH and 3Cl2 to balance the rest of the equation

    so the balanced equation is

    3Cl2 + 6 NaOH --> NaClO3 + 5 NaCl + 3H2O
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    (Original post by Alkranite)
    i derped as that should have been really obvious

    so you need 6NaOH and 3Cl2 to balance the rest of the equation

    so the balanced equation is

    3Cl2 + 6 NaOH --> NaClO3 + 5 NaCl + 3H2O
    Yep
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    yay, thank you that question had been annoying me for a while
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    (Original post by Alkranite)
    yay, thank you that question had been annoying me for a while
    No problem
    This may be worth a look.
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    that is useful thank you
 
 
 
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