If 100 mL of water contains 5 grams of NaCl, m.w. 58.5 daltons, what is the molarity of the solution in moles/L?
A) 0.85
B) 0.05
C) 0.25
D) 0.085
E) 2.92
A) 0.85
You might also like to view...
Match the following:
A) Common hepatic artery B) Renal artery C) Internal iliac artery D) Aorta E) Inferior mesenteric artery 1) Largest artery of the body. 2) Supplies the kidney. 3) Supplies the duodenum and stomach. 4) Supplies the distal areas of the large intestine. 5) Supplies pelvic structures. 6) Artery that does not anastomose.
Match each term with its definition or description.
a. respiratory membrane b. respiratory mucosa c. pharynx d. larynx e. trachea f. alveoli g. surfactant h. primary bronchi i. bronchioles j. pleura k. respiratory tree l. upper respiratory tract m. lacrimal sacs n. alveolar ducts o. conchae p. lower respiratory tract 1. _____ Connects the larynx to the lung; also called the windpipe 2. _____ Small air tube that has no cartilage in its walls, only smooth muscle 3. _____ Reduces the surface tension of the fluid in the alveoli 4. _____ Contains the vocal cords and the epiglottis 5. _____ Separates the air in the alveoli from the blood in the capillaries of the lung 6. _____ Serous membrane covering the lung and the inner chest wall 7. _____ Also called the throat 8. _____ First branch off the trachea in the lung 9. _____ Lines most of the air distribution tubes 10. _____ Air sacs in which oxygen and carbon dioxide are exchanged in the lung 11. _____ Structures in the nose that help warm and humidify the air 12. _____ Term used to describe the air distribution system 13. _____ Structures from which tears drain into the nasal cavity 14. _____ Microscopic tubes that end in the alveolar sacs 15. _____ Refers to the respiratory structures outside the thorax 16. _____ Refers to the respiratory structures within the thorax
What genetic disorder is a type of dwarfism characterized by shortening of the upper and lower limbs?
A. albinism B. sickle-cell disease C. hemophilia D. Down syndrome E. achondroplasia
Which layer of tissue is damaged in a first-degree burn?
A) hypodermis B) epidermis C) dermis D) both the epidermis and dermis.