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II 8TIIL! US ng TaUie 2.9 UI page II II your tCxID0OK, IUchtIly tne 3U03UICC. USIlng 245a l,20 7Lx TNG= 1,2076x 1.20 7x lo ml -3 Txios= lx103 l.207yl0% 0.00201982€ Dimensional Analysis Applications Solve the following problems using dimensional analysis, where appropriate. Round to the correct number of significant figures and include units. Show all of your work. Please circle your final answer. 7. Methyl mercury levels higher than 3.00 × 104 mg/dL are toxic to the central nervous system. Determine if either of the following levels of methyl mercury is life-threatening. a) 2.50 µg/L b) 2.50 cg/mL Handbook 3 ©2020 Cuesta College. All rights reserved 15

II 8TIIL! US ng TaUie 2.9 UI page II II your tCxID0OK, IUchtIly tne 3U03UICC. USIlng 245a l,20 7Lx TNG= 1,2076x 1.20 7x lo ml -3 Txios= lx103 l.207yl0% 0.00201982€ Dimensional Analysis Applications Solve the following problems using dimensional analysis, where appropriate. Round to the correct number of significant figures and include units. Show all of your work. Please circle your final answer. 7. Methyl mercury levels higher than 3.00 × 104 mg/dL are toxic to the central nervous system. Determine if either of the following levels of methyl mercury is life-threatening. a) 2.50 µg/L b) 2.50 cg/mL Handbook 3 ©2020 Cuesta College. All rights reserved 15

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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II 8TIIL! US ng TaUie 2.9 UI page II II your tCxID0OK, IUchtIly tne 3U03UICC. USIlng 245a l,20 7Lx TNG= 1,2076x 1.20 7x lo ml -3 Txios= lx103 l.207yl0% 0.00201982€ Dimensional Analysis Applications Solve the following problems using dimensional analysis, where appropriate. Round to the correct number of significant figures and include units. Show all of your work. Please circle your final answer. 7. Methyl mercury levels higher than 3.00 × 104 mg/dL are toxic to the central nervous system. Determine if either of the following levels of methyl mercury is life-threatening. a) 2.50 µg/L b) 2.50 cg/mL Handbook 3 ©2020 Cuesta College. All rights reserved 15
Transcribed Image Text:II 8TIIL! US ng TaUie 2.9 UI page II II your tCxID0OK, IUchtIly tne 3U03UICC. USIlng 245a l,20 7Lx TNG= 1,2076x 1.20 7x lo ml -3 Txios= lx103 l.207yl0% 0.00201982€ Dimensional Analysis Applications Solve the following problems using dimensional analysis, where appropriate. Round to the correct number of significant figures and include units. Show all of your work. Please circle your final answer. 7. Methyl mercury levels higher than 3.00 × 104 mg/dL are toxic to the central nervous system. Determine if either of the following levels of methyl mercury is life-threatening. a) 2.50 µg/L b) 2.50 cg/mL Handbook 3 ©2020 Cuesta College. All rights reserved 15
Expert Solution
Step 1

Methyl mercury levels higher than 3.00×10-4 mg/dL are toxic to central nervous system. Whether the given levels of methyl mercury are life threatening or not is to be determined-

      1. 50 µg/L

  1. 50 cg/mL
Step 2
  1. Convert the unit µg/L into mg/dL

1 µg = 0.001 mg

1 L = 10 dL (decilitres)

Chemistry homework question answer, step 2, image 1Chemistry homework question answer, step 2, image 2

Step 3

Thus, 2.50×10-4 mg/dL < 3.00×10-4 mg/dL.

Hence, 2.50 µg/L levels of methyl mercury is not life threatening.

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