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Please work out this problem in a simple

Please work out this problem in a simple

Please work out this problem in a simple The CaCO3 in a 0.2711g portion of an antacid tablet was dissolved. Followingprecipitation of Ca2+ by C2O42- through gravimetric analysis and drying overnight,131.8mg of CaC2O4. Calculate the mass of CaCO3 in the sample.mCaCO3 = ___________________ mg CaCO3

weight percent

weight percent

weight percent Calculate the weight percent of a solution made by mixing 4.56 g of urea, (NH2)2CO in 97.61 g of water. Submit your answer to 2 decimal places.  

heat vap

heat vap

heat vap What is ?Hvap of a compound that has a vapor pressure of 24.3 torr at 0 째C and 135 torr at 52 째C?

molality of ions

molality of ions

molality of ions Calculate the molality of ions in a solution made by mixing 5.78 g of CaCl2, MW=110.98, in 60.49 mL of water at 37.0째C. The density of water at this temperature is 0.9933 g/cm-3 Submit your answer to 2 decimal places.

How to Direct he High Performing Self-Directed Team

How to Direct he High Performing Self-Directed Team

How to Direct he High Performing Self-Directed Team You have just attended a manager’s meeting about establishing self-directed, high-performing teams. The company is concerned because some of the managers are having success building self-directed, high-performing teams while others are not. A discussion occurred that identified the characteristics of the successful team building elements and compared […]

Rate law

Rate law

Rate law The rate law for the reaction 2NO (g) + Cl2 (g) –> 2NOCl (g) is given by R = k[NO][Cl]2 If the following is the mechanism for the reaction, NO(g) + Cl2 (g) –> NOCl2 (g) NOCl2 (g) + NO(g) –> 2NOCl…