Use the equation below to solve the following problem.   What is the molarity of a solution that contains 83.9 g of Na2(SO4) dissolved in 3.5 L of solution? To receive full credit:  You must use the math equation editor in the tool bar to, if necessary, show the calculation of the molar mass and to insert the final equation (with numbers and units) that you used to solve the problem.  Be sure to include the answer. Or, show your work on your own paper and upload the picture into the Unit 3 Exam pictures dropbox immediately after submitting the exam. 

Calculate the percent composition, by mass, of oxygen in P2O5.  You must show your work by using the equation editor () in the toolbar.  (If necessary, click on the 3 vertical dots to expand the toolbar). Also, if necessary, show your work for all molar mass calculations. Within the equation editor, use   for the percent calculation.  Or, show your work (conversion factors, units, molar mass calculations) on a separate sheet of paper. Immediately after submitting your exam, upload a picture of your work into the Unit 1 Exam Pictures dropbox. Be sure to number your problems and circle your final answer. 

You must use the factor-unit method to solve the following problem.  Show your work (conversion factors and units) by using the equation editor () in the toolbar. (Click on the 3 vertical dots to expand the toolbar). Also, if necessary, show your work for all molar mass calculations. Within the equation editor, use  for conversion factors.  Or, show your work (conversion factors, units, molar mass calculation) on a separate sheet of paper. Immediately after submitting your exam, upload a picture of your work into the Unit 1 Exam Pictures dropbox. Be sure to number your problems and circle your final answer.  How many grams are present in 3.40 x 1022 molecules of ?

You must use the factor-unit method to solve the following problem.  Show your work (conversion factors and units) by using the equation editor () in the toolbar.  (Click on the 3 vertical dots to expand the toolbar). Also, if necessary, show your work for all molar mass calculations. Within the equation editor, use   for conversion factors.  Or, show your work (conversion factors, units, molar mass calculations) on a separate sheet of paper. Immediately after submitting your exam, upload a picture of your work into the Unit 1 Exam Pictures dropbox. Be sure to number your problems and circle your final answer.  How many moles of N2O are present in 3.29 x 1022 molecules of this compound?

You must use the factor-unit method to solve the following problem.  Show your work (conversion factors and units) by using the equation editor () in the toolbar.  (Click on the 3 vertical dots to expand the toolbar). Also, if necessary, show your work for all molar mass calculations. Within the equation editor, use  for conversion factors. Or, show your work (conversion factors, units, molar mass calculation) on a separate sheet of paper. Immediately after submitting your exam, upload a picture of your work into the Unit 1 Exam Pictures dropbox. Be sure to number your problems and circle your final answer.  How many grams are present in 4.58 moles of MgCl2?

Use the factor-label method to solve the following stoichiometry problem.   Given the following equation: 1 C3H8  +  5 O2     3 CO2  +  4 H2O How many grams of O2 are required to react with 3.2 x 1025 molecules of C3H8? To receive full credit:  You must use the factor unit method and the math equation editor in the tool bar to insert the stoichiometric calculation.  Show your work (conversion factors/units, molar mass calculations) by using the equation editor () in the toolbar.  If necessary, use the the three vertical dots to expand the toolbar. Within the equation editor, use    to insert conversion factors. Be sure to include proper units and the final answer! Or, show your work on a separate sheet of paper and submit in the Unit 2 Exam pictures dropbox after completing the Exam. 

While obtaining vital signs, a patient quietly tells the medical assistant they have been experiencing domestic violence but begs the MA not to tell anyone. The provider is currently seeing another patient. What is the BEST response?  

Which of the following is a test that measures the concentration of dissolved substances in urine?

During instrument processing, a medical assistant notices that a wrapped instrument pack has a torn corner immediately after the autoclave cycle is complete. The chemical indicator has changed appropriately, and the biological indicator from the previous week’s testing passed. What should the medical assistant do?

Which of the following arteries is most often used for assessing the pulse on a conscious patient?