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what is the similarity of a 0.20 M solution of KCl 35) What is the osmolarity...
7. Which of the following solutions is isotonic (no osmosis) with a 0.30 M NaNO, solution? {hint - Find the osmosis molarity or "osmolarity" = (# ions)M} a) 0.10 M CaCl2 b) 0.30 M glucose c) 0.60 M NaCl d) 0.15 M AICI; e) 0.75 M KCI (n-1 for glucose) 8. If a solution of 0.20 M Mg(NO3)2 is separated from a 0.25 M KCl solution by a membrane that is permeable to water, osmosis will occur. Describe the osmotic...
What is the osmolarity of a solution that contains 3.00 % (m/v) NaCl (fm = 58.44 g/mole) and 3.00 % (m/v) glucose (fm = 180.18 g/mole)? a) 1.19 osmol b) 1.03 osmol c) 0.680 osmol d) 0.851 osmol e) 3.00 osmol f) 6.00 osmol g) 9.00 osmol What is the mass, in grams, of 1.947 moles of C2H4? Use the periodic table provided in the tutorials or round all atomic masses to 0.01 amu
What is the osmolarity of a 0.151 M aqueous barium chloride, B2C12, solution? Osmolarity osmol/L
What is the concentration (M) of KCl in a solution made by mixing 25.0 mL of 0.100 M KCI with 50.0 mL of 0.100 M KCI? A) 0.100 B) 0.0500 C) 0.0333 D) 0.0250 E) 125
1. What is the molar concentration of a solution that contains 10 grams of KCl in 500 ml of DI water? (MW of KCI = 74 g/mol) a. What is the osmolarity of this solution? b. What is the tonicity of this solution? c. What would happen to a normal red blood cell that was put into this solution?
5. If 75.0 mL of a 0.20 M solution of sodium nitrate (NaNO3) is mixed with 25.0 mL of 0.10 M barium nitrate (Ba(NO3)2), what is the molar concentration of nitrate in the resulting solution? A. 0.10 M D. 0.15 M B. 0.20 M E. 0.18 M C. 0.30 M
what volume of each solution contains 0.10 mol of KCL ? part a) 0.206 M KCl part b) 1.9 M KCl part c) 0.855 M KCl
In titrating 0.20 M hydrochloric acid, HCl, with 0.20 M NaOH at 25°C, the solution (no change in volume) at the equivalence point is A very acidic B. slightly acidic C.0.10 M HCl and 0.20 M NaOH D.0.20 M Naci E. 0.10 M NACI
If an aqueous solution is 2.03% (w/v) in chromium(II) nitrate, Cr(NO3)2, what is the osmolarity of the solution? Osmolarity = osmol/L
If an aqueous solution is 3.09% (w/v) in nickel(II) iodide,NiI2 , what is the osmolarity of the solution? Osmolarity = _____osmol/L and The osmolarity of physiological saline solution is 0.300 osmol/L. Assuming a membrane that is permeable only to water, what % (w/v) magnesium iodide,MgI2, solution is isotonic to physiological saline? ____% (w/v)