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    Is it allowed to use fractions instead of whole numbers when balancing equations, I assumed it was okay since I did that for combustion equations, however I just did a question now to balance an equation and I got this;

    5Cl- + MnO4- + 8H+ --> 5/2Cl2 + Mn ^2 + 4H20

    However the mark scheme times them all by two so that the fraction 5/2 because 5. The mark scheme made no mention of my equation so I'm assuming they only allowed their answer. However surely I'm right too? Or are fractions not allowed?

    Thanks (:
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    As long as there are an equal number of moles of each atom/species on each side, it doesn't matter if you use fractions or not.
 
 
 
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