Determien the po43 concentration
Stock solution is prepared by adding 28 mL of 0.2 M Na3PO4 to enough water to make 76 mL. What is the PO43- concentration of 55 mL of the stock solution?
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Ethical performance appraisal issues, Provide the rationale for your answers. Complete "Exercise: Ethical Performance Appraisal Issues" in the course text, Human Resource Management Applications. Pro
Calculate the mass of nitrogen dissolved at room temperature in an 82.0 {rm L} home aquarium.Assume a total pressure of 1.0 {rm atm} and a mole fraction for nitrogen of 0.78.
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A 25.6 g sample of pure iron at 66°C is dropped into 65 g of water at 33°C. What is the final temperature of the water-iron mixture?
Acetylene gas undergoes combustion to produce carbon dioxide and water vapor. if 75.0 L of co2 are produced how many liters of acetylene are required?
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