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What is the mass of H2SO4 in a 48.4-cm3 sample of sulfuric acid that has a density of 1.52 g.cm-3 and which consists of 55.2% H2SO4?
in the formula for sodium phosphate na3po4 how many moles of sodium are represented? how many moles of phosphorus? how
An aqueous solution of lead nitrate, Pb(NO3)2, is mixed with one of sodium cromate, Na2CrO4, resulting in the formation of a percipitate of lead chromate.
In an experiment a 0.00400 mol/L solution of sodium thiosulfate is prepared. 20 grams of regular salt is placed in one beaker and 20 grams of Iodide salt is placed in another beaker. 3.0 grams is KI was placed into each beaker.
Calculate the equilibrium constants of the dissociation and the standard enthalpy of dissociation at the mean temperature.
What would the molecular orbital diagram for a compound made of equal portions of aluminum and phosphorous look like
Gold (III) oxide, Au2O3, undergoes a thermal decomposition reaction to form gold metal and oxygen gas. Write a balanced molecular
Iron has a BCC crystal structure, an atomic radius of 0.124 nm, and an atomic weight of 55.85 g/mol. Compute and compare its density with the actual value of 7.87
Assuming the difference in relative boiling points of methyl acetate (bp 57ºC) and 2-butanone (bp 80ºC) is caused by the difference in their dipole moments; predict which compound has the greater dipole moment. Use a vector analysis of bond dipole..
In the purification process, the organic layer is washed with 2 M NaOH and then with water. What is the purpose of these washes
If an additional .125 mol of the disulfur decaflouride is added and equilibrium reestablished, what will be the concentrations of each component.
Describe in detail the symptoms of this blood disorder. Explain the difference in the cells of this girl and a person who does not suffer from the disorder.
Copper(I) ions in aqueous solution react with NH3(aq). Kf = 6.3x10^-10 M^-2 Calculate the solubility (in g·L-1) of CuBr(s) in 0.86 M NH3(aq).
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