Assume you dissolve 2.56g of malic acid, C4H6O5 in half a liter of water (500g). Calculate the molarity, molality, mole fraction, and weight percentage of acid in the solution.

You want to prepare a solution that is 0.200m in Na2CO3. How many grams of the salt must you add to 125g of water? What is the mole fraction of Na2CO3 in the resulting solution?

You want to prepare a solution that is 0.200m in Na2CO3. How many grams of the salt must you add to 125g of water? What is the mole fraction of Na2CO3 in the resulting solution?

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