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An organic pesticide (MW 183.7) is 8.43% Cl. A 0.627 g sample containing the pesticide plus inert material containing no chloride was decomposed with metallic sodium in alcohol. The liberated chloride ion was precipitated as AgCl weighing 0.0831 g. Calculate the percentage of pesticide in the sample
Use balanced equations to determine whether either CuBr or Ca3(PO4)2 has a different solubility with a change in pH:
1. nitrogen and oxygen gases react to form dinitrogen trioxide gas.nbsp2 n2g 3 o2g 2 n2o3gat a certain temperature and
Calculate the standard reduction potential for the reaction for the reaction Cu(III) to Cu(II).
What is the final concentration of a solution made from 7.4 mL of 0.97 M CuSO4 and 14.4 mL of water?
If the water in your well has 1000.0 mg/L of calcium carbonate dissolved in it, How many grams of sodium oxalate could you mix with 100.0 mL of that water before a precipitate would form
what is the final equilibrium temperature of the system? The heat capacities of water and gold are 75.29 and 25.42 J/mol/K, respectively.
a reaction takes place in which a gas is one of the products. The gas had a d=1.81 g/L at 1.00 atm and 23 degrees C. What is the molar mass and identity of the gas?
What is the pressure inside a 5.00 L vessel containing 0.0040 mol of nitrogen gas at a temperature of 23 degrees C
a sample of helium gas initially at 37 degrees celsius 785 torr and 2.00l was heated to 58.0 degrees celcius while the
Many gaseous reactions occur in a car engine and exhaust system. One of the reactions is NO2(g)+CO(g)-->NO(g)+CO2(g). Given the following information determine the overall rate order. Rate=K[NO2]^m [CO]^n
Calculate the concentration of HY3- in a solution prepared by mixing 10.00mL of .010M VOSO4, 9.9mL of .010M EDTA and 10.00mL of buffer with a ph of 4.00
Calculate the number of moles of the base. Calculate the molarity of the acid solution.
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