Chem120 week 8 Study guides, Class notes & Summaries

CHEM120 Week 8 Final Exam-with 100% verified solutions-

CHEM120 Week 8: Exam 3 (Units 5, 6, and 7) – With 100% Correct Answers- Download To Score An A+ 1. Question: (TCO 7) (a, 5 pts) Given that the molar mass of H3PO4 is 97.994 grams, determine t he number of grams of H3PO4 needed to prepare 0.25L of a 0.2M H3PO4 solution. Show your work. (b, 5 pts) What volume, in Liters, of a 0.2 M H3PO4 solution can be prepared by diluting 50 mL of a 5M H3PO4 solution? Show your work. (Pts. : 10) A. Molarity = moles of solute/liters of solution moles of solute ...

QUESTIONS AND ANSWERS

CHEM 120 FINAL EXAM /CHEM120 WEEK 8 FINAL EXAM LATEST ACTUAL EXAM 2023-2024 QUESTIONS AND CORRECT DETAILED ANSWERS|AGRADE

CHEM 120 DETAILED SOLUTIONS FROM (WEEK 1-7) ANSWERS AND DISCUSSIONS 1. CHEM120 WEEK 1 ANSWERS. 2. CHEM120 WEEK 2 ANSWERS. 3. CHEM 120 WEEK 3 ANSWERS. 4. CHEM 120 WEEK 4 ANSWERS. 5. CHEM 120 WEEK 5 ANSWERS. 6. CHEM 120 WEEK 6 ANSWERS. 7. CHEM 120 WEEK 7 ANSWERS. 8. CHEM 120 Week 1 Discussion Question 1: Scientific Method and Calculations. 9. CHEM 120 Unit 3 Discussion 2: Molarity and Solution Calculations.

CHEM120 WEEK 8 FINAL EXAM/ CHEM 120 FINAL EXAM LATEST ACTUAL EXAM 2024/ QUESTIONS AND CORRECT DETAILED ANSWERS|A+GRADE

CHEM120 WEEK 8 FINAL EXAM/ CHEM 120 FINAL EXAM LATEST ACTUAL EXAM 2024/ QUESTIONS AND CORRECT DETAILED ANSWERS|A+GRADE

1. Question: You are given the following pH values: Solution 1: 9.2, Solution 2: 4.8, Solution 3: 12.7, Solution 4: 1.1 a. Which solutions are basic? b. Which solution would have the highest concentration of H3O+ ions when dissolved in water? 2. Question: You are given three compounds: NaCl, CH3CH2OH (ethanol), and CaCl2. You are asked to measure out 14.7 g of each compound into three separate 500-mL flasks and add enough water to make 500-mL of solution. A chemist comes along and measures th...

CHEM 120 Week 8 Assignment; Group Project - Stoichiometry & Dosage Calculation (CO 4)

CHEM 120 Week 8 Assignment; Group Project Presentation - Vitamins & Minerlas