Last modified: Sun 01/17/2016 03:44:16 pm
BCE

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Answer all of the questions below. If you do not know an answer enter CNA. However, it will help me the most if you answer each question with your best intuition/idea about what would be a reasonable answer.

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1. A solution is prepared by mixing 12.0 g of HCl (hydrogen chloride) in 50.0 g of water.

Calculate:

The mol of HCl:

The mol of water:

2. Weight% is defined as;

Calculate the weight% HCl in the solution:

3. Mol fraction is defined as:

Calculate the mol fraction of HCl:

4. Molality is defined as:

Calculate the molality of HCl in the solution:

5. Molarity is defined as:

Can you calculate the molarity of the solution from the information provided? Yes/No. explain.

6. Is there anything about the questions that you feel you do not understand? List your concerns/questions.

7. If there is one question you would like to have answered in lecture, what would that question be?