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Analytical Chemistry Final Exam 2025 Questions and Answers
Analytical Chemistry Final Exam 2025 Questions and Answers
Course:
Analytical Chemistry
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Analytical Chemistry
Analytical Chemistry Final Exam 2025 Questions and Answers
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| Uploaded on: | September 14, 2025 |
| Last updated: | September 14, 2025 |
| Number of pages: | 19 |
| Written in: | 2025/2026 |
| Type: | Exam (elaborations) |
| Contains: | Questions & Answers |
| Tags: | Analytical Chemistry Final Exam 2025 Questions and Answers |
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Analytical Chemistry Final Exam 2025 Questions and Answers A water sample analyzed in the lab had a calcium level of 193 ppm. What would this concentration be if you expressed it as a molarity? (MW Ca = 40.078 g/mol) --Answer --4.82 mM What is the molarity of a hydrochloric acid solution with 37.0 wt% and a density of 1.188 g/mL? - --Answer --12.1 M Systematic error - --Answer --An error that can be determinate and be correct with further analysis Precision vs accuracy - --Answer --Precise: Closeness to each other; Accuracy: closeness to the value The titration of 50.00 (+/- .02) mL of a strong acid required 42.4 (+/- .2) mL of a .1034 (+/- .0002) M strong base to reach the equivalence point. What is the concentration of associated error of the strong acid? (sig figs) - --Answer -- .0877 (+/- .0004) M ....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
