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What mass of Na2SO4 is needed to make 8.5L of 4.0M solution? Is the answer 7480 grams?
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No. How many mols do you want? That's niks = M x L = ?
Then grams = mols x molar mass = ?
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Then the answer would be 4828 grams, right. I was using 2 molecules of SO4.
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