Answer to Question #54070 in General Chemistry for Thuy

Question

1.What is the mass percent of salt in a mixture of 58.5 g NaCl added to 200 ml of water? Assume density of water is 1.00 g/ml.
2. What is the molarity of salt in a mixture of 58.5 g NaCl dissolved in water so that there is 200 ml of solution? Assume density of water is 1.00 g/ml.
3. A solution is 0.15 M in Na2SO4, what is the molar concentration of Na+ in that solution?
4. If we have 0.8 liters of a solution that is 0.15 M in Na2SO4, what is the molar concentration of sodium sulfate in the solution if we place it all in a one-liter volumetric flask and use water to fill the flask to the one-liter mark?

Answer 1

Dear Thuy, your question requires a lot of work, which neither of our experts is ready to perform for free. We advise you to convert it to a fully qualified order and we will try to help you. Please click the link below to proceed: https://www.assignmentexpert.com/submit#question_conversion_54070