The Molecular Formula for Salt

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The molecular formula for salt typically refers to sodium chloride. Find out about the molecular formula for salt with help from an experienced chemistry and science professional in this free video clip.

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Video Transcript

I'm Robin Higgins, and this is the molecular formula for salt. Alright, so, as we call salt normally we mean sodium chloride. This is table salt. That little white powdery substance we're all used to. And this is its molecular formula. And in solution, it breaks up into sodium positive charge and chlorine negative charge. But when we're in chemistry world, salt doesn't just mean this, it really means any ionic molecule that can form after the neutralization of an acid and a base. So, let's just take a couple looks at other salts that we have. And so, here we have potassium chromate, and this is also ionically bonded, that's one of the requirements for salt. And so in solution, this breaks up into potassium which each has a positive charge to these guys, and then this chromate is just its own ion, and it has a two minus charge. So, when they're all together they're neutral. This is another salt, and let's just take a look at one more salt. We have copper sulfate, and when this breaks up, we know that our sulfate ion has a charge of negative two, and this means that this must be copper too. Remember since copper is a metal, it can have a variety of different oxidation stays, this one happens to be positive two charge. So yeah, here we have just a few different types of salts, there's really hundreds and thousands of different ones in chemistry, and so they're each ionically charged and will disassociate in solution forming their salt forms. I'm Robin Higgins, and this has been the molecular formula for salt.


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