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Find the pH and volume (mL) of 0.447 M HNO3 needed to reach the equivalence point(s) in the following titration. 0.188 L of 0.550 M NH3. 231L or 231mL is the about of HNO3 needed to reach equivalence, but I can not sort the pH.
an empty aerosol-spray can at room temperature 20 c is thrown into an incinerator where the temperature reaches 674c.
1) Explain how microorganisms can be used to produce electricity (bacterial fuel cells). 2) Explain why you feel pain when you bite down
write the balanced net ionic equation for the reaction that produces the solid. Include phases and charges. c) calculate the percent sodium chloride in the original unknown mixture.
What volume of concentrated HCl is necessary to completely neutralize the 10 mL of 1.5 M NaOH used?
The system then re-equilibrates. The appropriate chemical equation is PCl3(g)+Cl2(g) PCl5(g) Calculate the new partial pressures of PCl3, Cl2, and PCl5 after equilibrium is reestablished.
The metal is obtained from seawater in a process that includes precipitation, neutralization, evaporation, and electrolysis. How many kilograms of magnesium can be obtained from 4.18 km^3 of seawater
Use the Henderson-Hasselbalch equation to calculate the of each solution: a solution that contains 0.600% C5H5N by mass and 0.960%
Calculate the molecular weight of the unknown acid.
Oxygen gas is collected by water displacement from the reaction of sodium peroxide and water. The oxygen gas displaces 318 ml of water at 23 degrees C and 1 atm. What is the pressure of the dry oxygen gas?
suppose that a student performing an experiment mistakenly calibrated the pH meter using pH 6 instead of a pH 7 buffer. As a result all pH meter readings were too low.
why is the presence of non-atomic species, such as metal oxides, detrimental to an analysis using atomic spectroscopy. which type(s) of atomizers can suffer from this effect and why.
How many kilograms of sodium carbonate must be added to neutralize 2.01×103 kg of sulfuric acid solution?
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