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What is the molarity of a sodium carbonate solution if it requires 35.2 mL of this solution to completely react with 17.4 mL of 0.985M copper(II) nitrate solution? (balanced equation)
Calculate the {H30^+] of each aqueous solution with the following [OH^-] at 25 degrees C: A. NaOH, 1.0x 10^-2M B. asprin 1.8x 10^-11M C. Milk of magnesia 1.0x 10^-5M D. seawater, 2.0 x 10^-6M
Preparation of chromium complexes such as [Cr(en)3](ClO4)3, the typical starting material is CrCl3 6H2O. When combined with excess ethylenediamine in an appropriate solvent
Suggest a reason why the cyclic intermediate in the formation of methyl-e-4-methoxycinnamte from p-anisaldehyde, might have two important groups in a trans relationship
Draw three possible structures for the B3H8- ion. Clearly indicate any three-center bonds. Which structure is most plausible (considering molecular orbital theory)
Calculate the maximum non-expansion work that can be gained from the combustion of octane(l) and H2(g) on a per gram and per mole basis under standard conditions.
Use the periodic table to write electron configurations for each of the following elements. Represent core electrons with the symbol of the previous noble gas in brackets. S Ge Zr Sb
You are given a worked wooden item from an archaeological dig believed to date to during the last glaciation. As such, the artifact would be another piece of evidence.
All molecular compounds may have London, dipole-dipole, and hydrogen-bonding intermolecular forces affecting their physical and chemical properties.
A chemist wants to make 4.5L of a 0.340M CaCl2 solution.What mass of CaCl2 (in g ) should the chemist use?
Determine the minimum mass of Sodium bicarbonate or sodium hydrogen carbonate that should be added to the spill to neutralize it?
A gas has a percent composition by mass of 75.7% carbon and 14.3% hydrogen. At STP the density of the gas is 2.50 g/L. What is the molecular formula of the gas
If 4 g of CuSO4 is dissolved in 9.0x10^2 mL of 0.40 M aqueous NH3, what are the concentrations of Cu2+, Cu(NH34 2+, and NH3 at equilibrium? (Kf = 5x10^13)
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