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A 0.1276-g sample of a monoprotic acid (molar mass=1.10x10^2) was dissolved in 25.0 mL of water and titrated with .0633 M NaOH. After 10.0mL of base had been added, the pH was determined to be 5.77. What is the Ka for the acid?
A mixture of 0.156 moles of C is reacted with 0.117 moles of O2 in a sealed 10.0L vessel at 500.K, producing a mixture of CO and CO2. The total pressure is 0.640 atm. What is the partial pressure of CO
The relationship (if any) of the lattice energy of compounds such as ZnO vs. H3BO3 vs. their respective solubilities. For instance, at neutral pH and standard conditions
a proton in a linear accelerator has a broglie wavelength of 128 pm. what is the speed of the proton?
Show, with the aid of a form of the Nernst equation that when using a pH sensitive glass electrode and reference electrode that the measured potential is proportional to pH.
A generic salt, AB3, has a molar mass of 183 g/mol and a solubility of 6.60 g/L at 25 °C. What is the Ksp of this salt at 25 °C
A 14.5 gram sample of gas is found to have a volume of 2.8 liters at 275 K and 1.10 atm. What is the molar mass of this gas?
A gaseous hydrogen and carbon containing compound is decomposed and found to contain 85.63% C and % H by mass. The mass of 258 mL of the gas, measured at STP, was found to be 0.646 g. What is the molecular formula for this compound
Calculate the number of grams of sulfuric acid in 0.460 of battery acid if the solution has a density of 1.27 and is 37.8 sulfuric acid by mass.
n2h4l o2g reverse reaction arrow n2g 2 h2olcalculate the k value associated with the reaction at 25 degrees celcius
A solution contains 35 g of NaCl per 100.0 g of water at 25 degrees Celsius. Is the solution saturated, unsaturated, or supersaturated
All particles in the mixture have a uniform spherical radius of 0.094 mm. a) Calculate the mass of a single particle of Na2SO4 and the number of Na2SO4 particles in the mixture.
Determine the limiting reactant in HCl + NaOH = NaCl + H2O given 2 moles of HCl and 2.5 moles of NaOH
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