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A 30.0mL sample of only a strong base is neutralized after the addition of 12.0mL of a 0.150 M nitric acid solution. Suppose the unknown base concentration is 0.0300 M which answer choice(s) give the correct possible identities of the unknown base?
What is the relationship between the ionization energy of an anion with a 1- charge such as F- and the electron affinity of the neutral atom, F
If the partial pressure of a gas produced in a reaction was determined to be 0.35 atm in a 161.0 mL container and at a temperature of 25.0°C, how many moles of gas were produced? (Hint: Use the ideal gas law and convert temperature to Kelvin, volu..
What is the osmotic pressure, in atm, of a solution formed by dissolving 14.1 g of CaBr2 in 0.670 L of water at 53.4 oC? (R = 0.0821 L-atm/mol-K; 0 oC = 273 K)
How many moles of OH were used to reach the end point? How many moles of H from HCl were used for back titration? How many moles of H from the solid were neutralized? What is the equivalent mass of the unknown acid?
find the volume of a molar solution.1.what volume of 0.185 molar nitric acid hno3 is required to react with 12.61g of
how do you calculate the number of equivalents of NaOH required to reach the equivalence point?
If a tube contains 4.0 oz of sunscreen, how many kilograms of benzyle salicylate are needed to manufacture 325 tubes of sunscreen?
an expandable cylinder filled with neon a monatomic ideal gas initially has a volume of 3.0 l at 1.5 atm and 20 oc.
State which of the following orbitals cannot exist according to the quantum theory 2s,2d,3p 4f and 5s
It is known that the Co2+-ligand complex obeys the Beer-Lambert Law. Calculate the mass percentage of the cobalt in the original sample.
If the concentration of lead iodide [PbI2] in a saturated aqueous solution is 1.5 x 10-3 M, what is the Ksp of PbI2
A bicycle tire is filled with air to a pressure of 610kPa, at a temperature of 60.5oF. Riding on asphalt on a hot day increases the temperature of the tire to 58.0oC. The volume of the tire increases by 4.0%. What is the new pressure in the tire
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