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The Ksp of lead(II) carbonate, PbCO3, is 7.40 × 10-14. Calculate the molar solubility of this compound.
sodium hydrogen carbonate (NaHCO3) is mixed with 10.0 grams of sodium carbonate in enough de-ionized water to give a total volume of 250.0 ml. What is the pH of the resulting solution
what is the vapor pressure of water over the solution at 90degrees celcius?
After mixing, you filter it and find that the concentration of the filtered solution is 5ppm Cu2+. From the above scenario, calculate the mass of Cu2+ bound to the soil. Calculate the K(dis).
The solubility of calcium carbonate (CaCO3) is 9.3 multiplied by 10-3 g/L. Calculate the solubility product of this compound.
Calculate the theoretical yield of K2C2O4 in grams. If the % yield of the reaction is 82.4 %, what mass of K2C2O4 is isolated
how much energy is required to vaporize 98.6 g of ethanol at its boiling point if its Hvap is 40.5 kj/ mol ?
the wavelength of the emitted photon corresponds to the difference in energy between the two energy levels. What were the principal quantum numbers of the initial and intermediate excited states involved?
Write half reactions for the anode and cathode and the write a balanced cell reaction. Please include the states of matter in the equation
Deduce the structure of the molecule with the formula C4H8O2 with absorption in the FTIR spectrum at 2975 and 1715 cm -1
A piece of iron limestone weighing 0.1965g was allowed to react with an excess of hydrochloric acid. The calcium in it was precipitated as calcium ethanedioate.
what is the temperature of 0.44mol of gas at a pressure of 1.2atm and a volume of 12.0L
When you use the half reaction method to balance the redox reaction between one mole of NBS and ascorbic acid to give L-dehydroascorbic acid and succinimide, how many moles of electrons are transferred.
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