What is the osmotic pressure of a solution of 55.8 g of aspartame ( 342.3 g/mol ) in 200 mL of water at room temperature?
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The solubility of lead (II) iodide is 0.064 g/100 mL at 20oC…
The solubility of lead (II) iodide is 0.064 g/100 mL at 20oC. What is the solubility product for lead (II) iodide?
Calculate the pH of a 0.800 M KBrO solution. Ka for hypobrom…
Calculate the pH of a 0.800 M KBrO solution. Ka for hypobromous acid, HBrO, is 2.0 × 10-9.
If the pKa of HCHO2 is 3.74 and the pH of an HCHO2/NaCHO2 so…
If the pKa of HCHO2 is 3.74 and the pH of an HCHO2/NaCHO2 solution is 3.11, which of the following is TRUE?
The acid-dissociation constant of hydrocyanic acid (HCN) at…
The acid-dissociation constant of hydrocyanic acid (HCN) at 25.0°C is 4.9 × 10-10. What is the pH of an aqueous solution of 0.040 M sodium cyanide (NaCN)?
You dissolve 0.120 g of the protein in water to make 20.00 m…
You dissolve 0.120 g of the protein in water to make 20.00 mL of solution, and the osmotic pressure is 0.004644 atm at 298 K. What is the molar mass?
What is the equilibrium expression for the following reactio…
What is the equilibrium expression for the following reaction?
Place the following in order of decreasing molar entropy at…
Place the following in order of decreasing molar entropy at 298 K. H2 Cl2 F2
What is the equilibrium expression for the following reactio…
What is the equilibrium expression for the following reaction?
What is the equilibrium expression for the following reactio…
What is the equilibrium expression for the following reaction?