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If it is known that 41.6 grams of PURE ELEMENT THAT IS NOT DIATOMIC represents 1.30 moles of this element, what is the atomic mass of the element?
Atomic absorption spectrometry was used with the method of standard additions to determine the concentration of cadmium in a sample of an industrial waste stream. For the addition, 5.00 ?L of a 1000.0 ?g/mL
is an important oxidizing agent and a moderately strong acid. in a 0.1M solution ,[H+] = 3.8x10^-2M. Calculate the Ka and the pKa for periodic acid.
How many grams of Na3PO4 will be needed to produce 550 ml of a solution that has a concentration of Na+ ions of 1.00M ?
What is the expected molar solubility of silver phosphate, Ag3PO4 in water? B) What is the expected molar solubility, in ppt (parts per thousand), of lead(II) iodide, PbI2 in water
How much heat is absorbed when 45.00 g of C(s) reacts in the pressence of excess SO2(g) to produce CS2(l) and CO(g) according to the following chemical equation?
Sulfuric acid (H2SO4) is a very strong diprotic acid. If 0.066 moles of sulfuric acid is mixed with water to make 192 mililiter of solution, what is the molarity of H+?
Concentration : Dilution Problem, A student placed 18.5g of glucose (C6H12O6) in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100.-mL mark on the neck of the flask was ..
A solution is prepared by mixing 78.0 mL of 5.00 M HCl and 35.0 mL of 8.00 M HNO3. Water is then added until the final volume is 1.00 L. Calculate [H+ ], [OH - ], and the pH for this solution.
In a high-altitude city, the normal atmospheric pressure is 607.1 torr. Use the Clausius-Clapeyron equation to estimate the boiling point of water in this city
how many moles of ethylene glycol should be added to the radiator to lower the freezing point of the water from 0 degrees celcius to -18 degrees celcius?
A 2.15 g sample of white solid was vaporized in a 345 mL vessel. If the vapor has a pressure of 985 mmHg at 134°C, what is the molecular weight of the solid
Arsenic Acid (H3AsO4) has Ka values of 2.5*10^-4, 5.6*10^-8, and 3*10^-13. What is the concentration of the HAsO42- dianion in a solution
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