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Explain titration of a strong acid with a strong base. The pH curve for titration of 50.0mL of a 0.100 M solution of hydrochloric acid with a 0.100 M solution of NaOH (aq). For clarity water molecules have been absent from the molecular art.
Explain what volume of NaOH(aq) would be wanted to reach the equivalence point if the concentration of the added base were 0.200 M?
When no single electronic formula can be drawn for a stable molecule so as to maintain the octet rule and still fit the observed properties
The Common Ion Effect. What is the pH of a solution that contains 0.250-M benzoic acid and 0.600-M sodium benzoate?
In the welding shop of the XYZ Manufacturing plant you have a cylinder with a volume of 548L of a compressed gas, and the pressure gauge shows 238 psig at the room temperature 25 C.
a metal sample weighing 37.6 grams, which has been heated to a temp of 100 degree cin boling water was placed in 48.6g of waterin a calorimeter. The inital temp of the water was 25.2 degree c.
When 20 mL of a 315 mL stock solution containing 2.2 M AlCl3 is diluted to 81 mL, what is the concentration of Al3+ in the new solution.
a 1 litre sample of hcl gas at 25degree celsius and 732 mmhg wasabsorbed completely in an aqueous solution that
Desalination of brackish water is achieved by evaporation. A fraction of feed water is sent through an evaporator and the other is bypassed. The fraction bypassed and the pure water leaving the evaporator are mixed together to give the desalinasie..
while in europe if you drive 113km per day how much money would you spend on gas in one week if gas costs 1.10euros
A 0.1018 g sample of copper metal is dissolved in 14 mL of concentrated HNO3 to form Cu2+ ions and then water is added to make a total volume of 206.3 mL. (Calculate the molarity of Cu2+.)
Decomposition of KClO3 is sometimes used to prepare small amounts of O2 in the laboratory: 2KClO3(s) 2 KCl(s) + 3 O2(g). How many grams of O2 can be prepared from 4.50 g of KClO3?
Write a balanced equation for the reaction of sodium carbonate with sulfuric acid to form sodium sulfate, carbon dioxide, and water. What is the molarity of the sulfuric acid solution
A solution is 0.20M Ba(OH)2. How many moles of H+ must be added to neutralize 100.0ml of the solution
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