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What is the Na concentration in 3.25M Soduim Sulfate, 1.5M Sodium Carbonate, 0.885 Sodium Bicarbonate?
A concentration cell contains electrodes made of the same metal and solutions containing the same ions but at different concentrations.
determine the amount of heat (in kJ) given off when 1.42 * 10^4 g of NO2 is produced according to the following equation : 2 No(g) + o2(g) --> 2NO2(g) H = -114.6kj
What was the nucleophile generated? What are the other products that can be formed in the presence of sulfuric acid?
A stock solution is prepared by adding 22 mL of 1 M Na3PO4 to enough water to make 73 mL. What is the PO43- concentration of 30 mL of the stock solution?
When heated, calcium carbonate decomposes to yield calcium oxide and carbon dioxide via the reaction:CaCO3(s)----> CaO(s) + CO2(g)
The printed label on a bottle of commercial vinegar states that the acetic acid concentration is 5%. (a) If the manufacturer had reported two significant figures int he concentration, what would the percentage range be so that all values would rou..
The molality of the solution is determined to be .0480m. What is the molar mass of the substance?
Calculate the wavelength of the absorption maximum for a metal complex ion that has a crystal field splitting energy of 279 kJ/mol. The final answer should be in nm.
Identify the likely kinds of intermolecular forces in the following substances: HCL , CH3CH3, CH3NH2, Kr
Calculate the [Zn2+] in a solution of ZnC2O4 held at a pH of 3.00. Remember C2O4^2- is a weak base so you must consider other equilibria. (Ksp(ZnC2O4)=7.5X10^-9, Kb1=1.8X10^-10, Kb2=1.8X10^-13).
Consider the reaction that occurs when a solution containing hydrochloric acid (HCl) is added to a solution containing the weak base methylamine (CH3NH2). Write the molecular equation for the reaction
Chlorine has an average atomic mass of 35.453 amu. The main isotopes of chlorine are 35Cl which has an atomic mass of 34.968 amu and 37Cl, which has an atomic mass of 36.956amu. Given this, what is the percent abundance of each isotope in natural ..
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