HW 5_1 - a. NH 3 b. CH 3 CH 2 CH 3 c. HF d. CH 3-OH e. BH 3...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
CHE-105 Exploring Chemistry Homework Chapter 5 Name ______________________ 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 b. moles per liter 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). 3. A solution has a concentration of 0.0025 %. What is the concentration of the solution in ppm? 4. Identify each of the following as surface or ground water. a. artesian well b. lake c. spring d. glacial run off e. cistern f. salt marsh 5. Water that is suitable for consumption is called __________ 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 – solute –
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
7. Site 3 examples illustrating the physiologically and environmental importance of water. Physiological Environmental a. a. b. b. c. c. 8. Which of the following compounds can exhibit H-bonding?
Background image of page 2
Background image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: a. NH 3 b. CH 3 CH 2 CH 3 c. HF d. CH 3-OH e. BH 3 f. CH 3 O CH 3 9. Identify the kinds of bonds in each of the following compounds. [ I = ionic; P = polar covalent; C = purely covalent] a. NaBr b. MgCl 2 c. H 2 S d. Br 2 e. O 2 f. CO 2 g. PbCl 2 10. Identify each of the following as an anion, cation, or molecule. a. Cl-b. Na + c. NH 3 d. Mg +2 e. NO 3-f. NH 4 + g. O 2 11. Identify all polyatomic anion(s) and polyatomic cation(s) in problem 10. a. polyatomic anion(s) b. polyatomic cation(s) 12. Name the following compounds a. NaHCO 3 b. K 2 SO 4 c. Ca(NO 3 ) 2 13. What is the chemical formula for a. Magnesium carbonate b. Potassium nitrite c. Calcium acetate d. Ammonium phosphate 14. Water hardness is primarily due to what 3 cations? 15. List one or more strengths and weaknesses for each of the following water treatments. a. filtration b. chlorination c. reverse osmosis d. distillation e. ion exchange...
View Full Document

This note was uploaded on 04/18/2008 for the course CHE 105 taught by Professor Duecker during the Spring '08 term at Indiana Wesleyan.

Page1 / 3

HW 5_1 - a. NH 3 b. CH 3 CH 2 CH 3 c. HF d. CH 3-OH e. BH 3...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online