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What is the molar solubility of Mns, in grams per liter, in a buffer solution that is 0.110 M HC2H3O2 -0.505 M NaC2H3O2? For Mns, Kspa=3*10^7
g Mns/L
At 25°C, K = 0.090 for the following reaction. H2O(g) + Cl2O(g) reverse reaction arrow 2 HOCl(g) Calculate the concentrations of all species at equilibrium for each of the following cases.
Starting with 2-methyl-3-hexanone, show the complete mechanism for the acid-catalyzed formation of the imine using propylamine (Pr-NH2.)
Determine the theatrical yield if 1.56 grams of hydrogen is permitted to combines with 9.70 grams of nitrogen producing 1.43 grams of ammonia?
The density of mercury is 13.595 g cm -3 . What will be this value in SI units? Give the SI units and their symbols for the following physical quantities:
Identify the two important classes of catalysts. Analyze the chemical reactions that take place when a biological catalyst combines
Calculate the amount of heat trasnferred when 3.55 g of Mg(s) reacts at constant pressure. 2Mg(s) + 02(g) ---> 2MgO(s) heat= -1204kJ
Home ice cream makers use ice to cool a concentrated NaCl solution below the normal freezing point of water. What molal concentration of salt is needed to lower the freezing point to -3.97 C?
How many grams of diphenyl (C 12H10) must be dissolved in 655 g of benzene to lower the freezing point by 3 .20ºC.
For a large batch of nails, a manufacturer needs to plate a total zinc mass of 1.40kg on the surface to get adequate coverage. How many moles of zinc are in 1.40kg of zinc?
A compound containing only carbon, hydrogen, and oxygen is subjected to elemental analysis. Upon complete combustion, a 0.9294-g sample of the compound
The distribution coefficient, K= conc. in ligroin/conc. in water, between ligroin and water for solute A is 7.5. what weight of A would be removed from a solution of 10g of A in 100 mL of water.
The following problem is based on the "Nutrition Facts" found on the wrapper of an energy bar, assuming a 2000 calorie diet. The energy bar contains 100 mg of sodium, which constitutes
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