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). Within the equation editor, use  for conversion factors. Also, if necessary, show your work for all molar mass calculations.   Or, show your work (conversion factors and units) 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 3.85 moles of Na2S?

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 molecules of oxygen are required to react with 25.4 grams 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/and units) and if necessary, show your work for all molar mass calculations. You can show your work 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. 

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/and units) and if necessary, show your work for all molar mass calculations. You can show your work 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. 

Use the equation below to solve the following problem.   What is the molarity of a solution that contains 83.9 g of Na2(CO3) 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. 

Given the equation: calculate the molarity of 125 mL of a solution in which 12.8 grams of Na2CO3 are dissolved.  To receive full credit:  You must show your conversions and final equation, with numbers and units.  You can use the equation editor in the toolbar ()to insert an equation (include numbers and units) into the answer box. If necessary, show the molar mass calculation. Within the equation editor itself use the  to type conversions and the final equation.  Don’t forget to include your final answer.   Or, you can do your work on a separate sheet of paper and immediately after submitting the exam, take a picture of your work and upload it into the Final Exam Pictures link located in Final Exam module in Canvas. 

Given the equation: calculate the molarity of 275 mL of a solution in which 12.8 grams of K2(SO4) are dissolved.  To receive full credit:  You must show your conversions and final equation, with numbers and units.  You can use the equation editor in the toolbar  () to insert an equation (include numbers and units) into the answer box. If necessary, show the molar mass calculation. Within the equation editor itself use the  to type conversions and the final equation.  Don’t forget to include your final answer.   Or, you can do your work on a separate sheet of paper and immediately after submitting the exam, take a picture of your work and upload it into the Final Exam Pictures link located in Final Exam module in Canvas. 

According to research from the Ethics Resource Center (ERC), which variable has more influence than any other variable on the ethical conduct of individual employees?

A practical nurse is reinforcing immunization teaching with the parents of a 12-month-old child during a well-child visit. Which vaccines should the nurse expect the child to receive at this visit? Select all that apply.

A client newly diagnosed with HIV is being discharged home with antiretroviral therapy (ART). Which statements by the client indicate correct understanding of the teaching? Select all that apply.

A client receiving chemotherapy reports mouth sores, numbness in the feet, nausea, and increasing fatigue. Which nursing instructions are appropriate? Select all that apply.