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Calcium nitrate and ammonium fluoride react to form calcium fluoride, dinitrogen monoxide, and water vapor. What mass of dinitrogen monoxide is present after 15.0 g calcium nitrate and 17.50 g ammonium fluoride react completely?
Calculate the concentrations of all species in a 0.100 M H3PO4 solution given the following Ka's: 7.5 X 10^-3 for H3PO4, 6.2 X 10^-8 for H2PO4-, and 4.8 X 10^-13 HPO4^2- Draw each of the structures.
Carbonic acid then ionizes in water (Ka1 = 4.5× 10-7). Ignoring Ka2, estimate K for the overall process by which CO2 and H2O form H and HCO3-.
What is the concentration of MX2(aq) in a solution in which the concentrations of M2+(aq) and X-(aq) both just happen to be 0.15 M
I understand that the height of a peak in NMR spectroscopy indicates the number of identical hydrogens in that particular group. But what does it mean when peak height is measured in non-H units lacking a common denominator
Compute the equilibrium partial pressures of Carbon dioxide and CO gases. If equilibrium constant Kp for this reaction =1.52,
After mixing 2.00g of H2S with 2.00g of NaOH, a 92.0% yield of sodium sulfide is obtained. Calculate the experimental yield in grams obtained in that reaction
An Element consists of 1.40% of an isotope with mass 203.973 amu, 24.10% of an isotope with 205.9745 amu, 22.10% of an isotope with mass 206.9766 amu. Calculate the average atmoic mass and identify element.
Calculate the millimoles of sodium hypochlorite used in the reaction: 2.3 mL of a 5.25% solution(Clorox). Compare this value with the quantity of cyclohexanol to be used in the reaction. Would you describe the oxidant as being present in slight ex..
One brand of laundry bleach is an aqueous solution containing 4.00% sodium hypochlorite by mass.What is the molarity of this solution.
a system of 118.0 moles of an ideal gas in 2.3 m3 has a molar internal energy of u 25.0 kjmol at 1.3 bar. what is the
What volume (in mL) will it occupy at the same pressure and 277 K? Round your answer to zero places past the decimal.
What are the major species present in 0.250 M solutions of each of the following acids? Calculate the pH of each of these solutions.
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