Answers for HW 5

Answers for HW 5 - CHE-105 Exploring Chemistry Homework...

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Homework Chapter 5 Name ______________________ (1 pt. for each answer) 1. A solution is prepared by adding 70.13 grams of NaCl to 200 ml of water. Express the concentration is terms of a, percent 36.6 % b. moles per liter 6.00 M 2. What is the final concentration of a solution prepared by diluting 10 ml of a 0.3 M solution to 500 ml (Note: Express the concentration as of moles / liter). 0.006 M 3. A solution has a concentration of 0.0025 %. What is the concentration of the solution in ppm? 25 ppm 4. Identify each of the following as surface or ground water. a. artesian well ground b. lake surface c. spring ground d. glacial run off surface e. cistern surface f. salt marsh ground 5. Water that is suitable for consumption is called _ potable __ water. 6. A solution is prepared by diluting 225 grams of ethyl alcohol in 200 grams of water. Identify the solvent and the solute. solvent –
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This homework help was uploaded on 04/18/2008 for the course CHE 105 taught by Professor Duecker during the Spring '08 term at Indiana Wesleyan.

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Answers for HW 5 - CHE-105 Exploring Chemistry Homework...

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