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Biol 190L Conversion & Concentration Practice Problems 1. Complete the metric system conversions below (use scientific notation). ug (micrograms) ug (micrograms) 1 g = 1 kg = mg 10 g = 10 kg = mg 100 g = Hg (micrograms) 100 kg = mg 1 µg (microgram) = 1 ng = g 10 µg (micrograms) = 10 ng = 100 µg (micrograms) = 100 ng = 2. Solve the following concentration problems and show your work. • How many grams of NaCl are required to prepare 140 ml of a 15% solution? How many mg of CgH1,06are required to prepare 14 ml of a 0.15% solution? 3. Solve the following concentration problems and show your work. • How many grams of NaCl are required to prepare 400 mL of a 1.50 M solution? There are 540 g of CH,,0, dissolved in 4 liters of solution. What is the molarity of this solution?

Biol 190L Conversion & Concentration Practice Problems 1. Complete the metric system conversions below (use scientific notation). ug (micrograms) ug (micrograms) 1 g = 1 kg = mg 10 g = 10 kg = mg 100 g = Hg (micrograms) 100 kg = mg 1 µg (microgram) = 1 ng = g 10 µg (micrograms) = 10 ng = 100 µg (micrograms) = 100 ng = 2. Solve the following concentration problems and show your work. • How many grams of NaCl are required to prepare 140 ml of a 15% solution? How many mg of CgH1,06are required to prepare 14 ml of a 0.15% solution? 3. Solve the following concentration problems and show your work. • How many grams of NaCl are required to prepare 400 mL of a 1.50 M solution? There are 540 g of CH,,0, dissolved in 4 liters of solution. What is the molarity of this solution?

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Biol 190L Conversion & Concentration Practice Problems 1. Complete the metric system conversions below (use scientific notation). 1 g = ug (micrograms) 1 kg = mg 10 g = Hg (micrograms) 10 kg = mg 100 g = Hg (micrograms) 100 kg = mg 1 µg (microgram) = 1 ng = g 10 ug (micrograms) = g 10 ng = 100 ug (micrograms) = g 100 ng = 2. Solve the following concentration problems and show your work. How many grams of NaCl are required to prepare 140 ml of a 15% solution? How many mg of C,H,,0, are required to prepare 14 ml of a 0.15% solution? 3. Solve the following concentration problems and show your work. How many grams of NaCl are required to prepare 400 ml of a 1.50 M solution? There are 540 g of CH,,0, dissolved in 4 liters of solution. What is the molarity of this solution?
Transcribed Image Text:Biol 190L Conversion & Concentration Practice Problems 1. Complete the metric system conversions below (use scientific notation). 1 g = ug (micrograms) 1 kg = mg 10 g = Hg (micrograms) 10 kg = mg 100 g = Hg (micrograms) 100 kg = mg 1 µg (microgram) = 1 ng = g 10 ug (micrograms) = g 10 ng = 100 ug (micrograms) = g 100 ng = 2. Solve the following concentration problems and show your work. How many grams of NaCl are required to prepare 140 ml of a 15% solution? How many mg of C,H,,0, are required to prepare 14 ml of a 0.15% solution? 3. Solve the following concentration problems and show your work. How many grams of NaCl are required to prepare 400 ml of a 1.50 M solution? There are 540 g of CH,,0, dissolved in 4 liters of solution. What is the molarity of this solution?
Biol 190L Practice Problems 4. Solve the following concentration problems and show your work. Calculate and describe how you would make 60 mL of a 0.8 M NaCl (working) solution from a 6 M stock solution. Calculate how much (volume) of 0.8 M working solution could be made from 12 ml of 6 M C6H1206 (stock) solution. 5. Solve the following concentration problem and show your work. Calculate and circle which represents a higher concentration of NaCl : 1) 5 M or 2) 20%?
Transcribed Image Text:Biol 190L Practice Problems 4. Solve the following concentration problems and show your work. Calculate and describe how you would make 60 mL of a 0.8 M NaCl (working) solution from a 6 M stock solution. Calculate how much (volume) of 0.8 M working solution could be made from 12 ml of 6 M C6H1206 (stock) solution. 5. Solve the following concentration problem and show your work. Calculate and circle which represents a higher concentration of NaCl : 1) 5 M or 2) 20%?
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