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Problem- As part of the formation of chromated copper arsenate (CCA), As2O5 is dissolved in an aqueous solution. A product formed in the process is Arsenic acid (H3AsO4). Show the balanced chemical reaction by which it could be formed, including the full correct Lewis structures of reactants and products.
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Determine the molar mass of the substance if 120.0 grams of a pure sample contained 24.0 mol of the substance. Express your answer in g/mol.?
A solution transmittance is 35% at 260 nm. What will the solution absorbance be if you dilute 25.0 ml
What conclusions can you come to regarding the accuracy in determining the conversion factor? include a statement about the significant figures in this exercise.
A solution is prepared by dissolving 246 g of sucrose (C12H22O11) in 624 g of water. What is the vapor pressure of this solution at 30°C? (The vapor pressure of water is 31.8 mmHg at 30°C.)
What is the pH of a buffer prepared by mixing 57.4 mL of 0.050 M sodium bicarbonate and 10.2 mL of 0.10 M NaOH. (Carbonic Acid: pKa1 = 6.35, pKa2 = 10.33)
Problem- What is the de Broglie wavelength (in nm) associated with an electron accelerated to a velocity 0.50% of the speed of light. The mass of an electron is 9.109x10^-31kg)
what volume of rmo2 gas in rm l measured at 795 rm mmhg and 33circ rm c is required to completely react with 54.0 rm g
what mass of carbon should be produced if the tums were pure calcium carbonate? this is theoretical yeild. equation
Isotopes Decay, Isotopes decay according to first order kinetics with a predictable half life
A mixture of N2, O2, and CO2 has a total pressure of 791. torr. In this mixture the partial pressure of N2 is 115. torr and the partial pressure of O2 is 193. torr.
a metal sulfide, M2(CO3)3, has a Ksp of 4.15 x 10^-42. What is the molar solubility of this sulfide in water? Assume the sulfide dissolves ideally (ignore hydrolysis effects).
What volume of a 0.33 M Mg(NO_3)_2 solution contains 97 g of Mg(NO_3)_2?
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