Week 8 : Final Exam - Final Exam CHEM120Final-Exam-Page-3 (WEEK8:FINALEXAMFINALEXAMCHEM120FINALEXAMPAGE3)
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Week 8 : Final Exam Final Exam CHEM120Final Exam Page 3 (Week 8 : Final Exam - Final Exam CHEM120Final-Exam-Page-3)
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Week 8 : Final Exam - Final Exam CHEM120Final-Exam-Page-3
(TCO 7) (a, 5 pts) Given that the molar mass of H3PO4 is 97.994 grams, determine the number of grams of H3PO4 needed to prepare 0.75L of a 0.25M H3PO4 solution. Show your work.

(b, 5 pts) What volume, in Liters, of a 0.25 M H3PO4 solution can be prepared by diluting 50 mL of a 2.5M H3PO4 solution? Show your work.

Question: (TCO 7) (a, 5 pts) What is the volume percent of a solution prepared by dissolving 21 g of NaOH in enough water to make a final volume of 120 mL? Show your work.

(b, 5 pts)...
Week 8 : Final Exam - Final Exam CHEM120Final-Exam-Page-3
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(TCO 7) (a, 5 pts) Given that the molar mass of H3PO4 is 97.994 grams, determine the number of grams of H3PO4 needed to prepare 0.75L of a 0.25M H3PO4 solution. Show your work.

(b, 5 pts) What volume, in Liters, of a 0.25 M H3PO4 solution can be prepared by diluting 50 mL of a 2.5M H3PO4 solution? Show your work.

Question: (TCO 7) (a, 5 pts) What is the volume percent of a solution prepared by dissolving 21 g of NaOH in enough water to make a final volume of 120 mL? Show your work.

(b, 5 pts)...
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