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A solution is 0.020 M in each Ca2+ and Cd2+. What would be the resulting concentrations of the ions if the solution were adjusted to a pH of 12?
a piece of metal alloy with a mass of 114g was placed into a graduated cylinder that contained 25.ml of water raising
When drawing a Lewis structure, how do I know which atom serves as the central atom in a Lewis structure
Why is water a reactant in the fermentationof sucrose? Enter the solubility-product expression
What concentrations of acetic acid (pKa = 4.76) and acetate would be required to prepare a 0.10 M buffer solution at pH 5.0. Enter your answer to two significant figures.
What is the molarity of a solution of HCl if 2.0 L of it are needed to react with 20g of NaOH?
an fm station broadcasts at 106.9 mhz calculate the wavelength of the corresponding radio waves? what is the amount of
how much heat is transferred when 400 grams of mercury (Hg) is vaporized? specific heat (c) = 0.14J/g C, heat of fusion = 2.29 kJ/mol, heat of vaporization = 59.1 kJ/mol.
Air contains nitrogen, oxygen, argon, and trace gases. If the partial pressure of nitrogen is 587 mmHg, oxygen is 158 mmHg, argon is 7 mmHg, and the trace gas pressure is negligible, what is the atmospheric pressure
Write and balance the equation for the complete combustion of ethane, C2H6. You do not need to include any phase symbols
A current of 0.010 amp is passed through an aqueous solution of rhodium sulfate salt. The only reaction at the cathode is the deposition of rhodium metal. After 3.0 hours, 0.038g of rhodium metal has been deposited. What is the formula of the rhod..
the 23rd-century starship enterprise uses a substance called di-lithium crystals as its fuel. the mass of one 6li atom
The inital concentration of HBr in a reaction vessel is 1.2 x 10 ^-3 mol/L. If the vessel is heated to 500 K, WHat is the percent decomposition of HBr and the equilbirum compositions of the mixtures?
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