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Normal saline solution used in IVs is usually around 0.90% m/v or 0.154 M; however, other saline solutions may have a higher or lower concentration of sodium chloride, NaCl, depending on the use. For example, a hypertonic saline solution with a concentration greater than 0.154 M may be used to treat hyponatremia (sodium concentration in the serum is too low).
Calculate the molarity of the NaCl solution when 5.84 g of NaCl is dissolved in 100 mL of water.
Express the molarity with the appropriate units.
Which of the following would be expected to have the highest pH?
what is the half-life of a compound if 89 percent of a given sample of the compound decomposes in 56 min? assume
The initial solution of B was 0.100 M and had a volume of 100.0 mL. Find the pH at the following volumes of acid added Va = 0, 5 ,10, and 15 mL.
Explain how three features of the FastTrack Schedule 9's features will help you manage information systems projects. Be specific in relating the feature to the systems tasks you would want to achieve with it.
Calculate the theoretical yield of aspirin to be obtained, starting with 2.0 g of salicylic acid. 2. If 1.8 g of aspirin were obtained in this experiment, what would be the percent yield?
Write oxidation number of the following: a) ammonium oxalate, (NH4)2C2O4 and b) ethanol, C2H5OH. please include calculations.
calculate the length in km of a row containing 1 mole of hydrogen atoms laid side to side if diameter of a hydrogen
Eventually, the amounts of the three species do not change further; the system has reached equilibrium. (at this point, approximately 22% of the HI has decomposed.) Describe what is happening in this system at the molecular level.
What is the mechanism of addition of chlorine to ethene. Sustitution of chlorine in benzene
The melting points of a series of 18-carbon fatty acids are: stearic acid, 69.6 C; oleic acid, 13.4 C; linoleic acid, -5 C; and linolenic acid, -11 C. What structural aspect of these 18-carbon fatty acids can be correlated with the melting point
State balanced equations to describe the reaction of hydrogen, H2, and a) chlorine, Cl2 b) nitrogen N2 c) calcium, Ca d) potassium. Name the compounds produced as well as identify them as ionic or molecular in structure.
Consider that there are two sources of OH-in this procedure. Also, an excess of 3 mL will need to be added to your calculated value in order to suppress the hydrolysis of Al 3+.
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