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If 25.0 mL of 0.451 M HNO3 solution is titrated with 0.451 M NaOH, Calculate the pH of the solution after each of the following amounts of base have been added. Set up the relevant neutralization reaction equations for each part.
a) Before starting the titration.
b) After adding 15 mL of the base
c) After addition of 25.0 mL of the base
(d) After adding 30 mL of the base
A tank contains helium gas at 490. mmHg, nitrogen gas at 0.750 atm, and neon at 520. torr. What is the total pressure in atm?
indicate whether the process is always spontaneous, never spontaneous, spontaneous at high temperature or spontaneous at low temperature.
Determine the pH and the percentage of fully protonated weak acid/base for each of the solutions listed below:
Give the charge and full ground-state electron configuration of the monatomic ion most likely to be formed by the element.
A thermometer containing 9.5 of mercury has broken. If mercury has a density of 13.6 , what volume spilled?
Consider a sample that consists of three green spheres and one blue sphere. The green mass is 2.00 g, and the blue mass is 3.00 g. Calculate the fractional abundance of each sphere in the sample.
A .692 L NaCl solution is diluted to a volume of 1.25 L and a concentration of 4.00 M. What was the initial concentration?
Based on your knowledge of Le Chatelier's principle, explain what would happen to a saturated solution of borax at equilibrium
An ionic compound forms when calcium (Z = 20) reacts with iodine (Z = 53). If a sample of the compound contains 1.29x10^19 calcium ions, how many iodide ions does it contain
A dry-cleaning solvent (molecular weight = 146.99 g/mol) that contains C, H, and Cl is suspected to be a cancer-causing agent. When a 0.124 g sample was studied by combustion analysis, 0.223 g of CO2 and 0.0301 g of H2O formed. How many moles of e..
At room temperature benzoic acid dissolves in the less polar solvent, ether, but not very much in the more polar solvent, water. However, the deprotonated species, the benzoate ion, dissolves in water but not ether
a baseball pitchers fastball is clocked at 100 miles per hour mph. calculate the wavelength of a 141 g baseball in nm
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