Meggggggggggg
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Ok so I just started homework and came across a question that I don't know what it's asking.

'What is the total number of ions in one formula unit of Chromium [III] Sulfate?'

Is this just a weird way of asking me to find the formula?
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2112nin
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I think the formula of chromium sulfate is Cr2(SO4)3. As chromium has the charge of 3 and sulfate has the charge of -2, you need the charges on the chromium and the sulfate to cancel out (hence 2 chromiums and 3 sulphates). This means the total number ions which you have are 5... I think. I think they want you to work out how many ions there are in the formula unit. I hope this helps. 😊
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Fakz
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Find the formula of the compound then add up the total number of ions (the small numbers)
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Meggggggggggg
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(Original post by Fakz)
Find the formula of the compound then add up the total number of ions (the small numbers)
Thanks, I didn't know the ions were the small numbers
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