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I am having issues setting up these problems. Given 9.500g of sodium sulfide How many moles...

I am having issues setting up these problems.

Given 9.500g of sodium sulfide

How many moles of sodium are there?

So far I have the equation set up as follows

9.550 g Na2S (1mol Na/ grams of Na2S) (2 mols Na/ 1 mol Na2S) Do I need to have the grams of Na in there as well?

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