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A 100.00 mL buffer solution is 0.175 M in HClO and 0.150 M in NaClO. What is the pH after addition of 85.0 mg go NaOH?
What is the resultant pressure if 3.7 mol of ideal gas at 273 K and 1.97atm in a closed container of constant volume is heated to 446 K.
What is the coefficient of the water? K2O + H2O What is the mass of 2.10 x 1021 atoms of copper, Cu? What is the molar mass of aspirin, C9H8O4?
2.9 mol Fe(OH)3 and 7.7 mol H2SO4 react according to the equation 2 Fe(OH)3 + 3H2SO4 ->Fe2(SO4)3 + 6H2O. If the limiting reactant is Fe(OH)3, calculate the amount of Fe2(SO4)3 formed.
The Al2O3 does not react. If the sample residue weighs 2.489 g, what is the mass fraction of Fe2O3 in the original sample?
show the acid catalyzed enamine product formation from 2-butanone and diethylamine
What is the mole fraction of ethanol, CH3CH2OH, in an aqueous solution that is 20.0% ethanol by mass? 0.150
What is the Lewis structure, VSEPR type, molecular geometry, and bond angle for each of the following: NaClO2, KICl4,
Calculate the mass of nitrogen dissolved at room temperature in an 92.0L home aquarium. Assume a total pressure of 1.0 atm and a mole fraction for nitrogen of 0.78.
the temperature decreases by 0.2010 K. Calculate the molar heat of solution of KCN.
Examine the structures of the following compounds. What functional groups can you identify within the compounds? (They may have more than one.) What structural features do many of these compounds have in common?
As you may well know, placing metal objects inside a microwave oven can generate sparks. Two of your friends are arguing over the cause of the sparking, with one stating that the microwaves "herd" electrons into "pointy" areas of the metal object,
Based on Liquid Chromatography, how can I changed if the capacity value and selectivity value and resolution value is not in the proper range?
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