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A 100.0 solution containing aqueous HCl and HBr was titrated with 0.1300 M NaOH. The volume of base required to neutralize the acid was 46.68 mL. Aqueous AgNO3 was then added to precipitate the Cl- and Br- ions as AgCl and AgBr. The mass of the silver halides obtained was 0.9987 g. What is the molarity of HBr in the original solution and what is the molarity of HCl in the original solution?
Considering the likely HOMO and LUMO of L-serine methyl ester, what would be the most electrophilic atom and what would be the most nucleophilic atom
If the same amount of heat is added to identical masses of each of these substances, which substance attains the highest temperature? (Assume that they all have the same initial temperature.)
Calculate the pH at the equivalence point for titrating 0.170 solutions of each of the following bases with 0.170 M HBr.
The rate constant for a certain reaction is k = 1.50×10?3 s^-1 . If the initial reactant concentration was 0.650M , what will the concentration be after 13.0 minutes?
Comparison of two different reduction methods. Hydride reducing agents such as sodium borohydride and Catalytic hydrogenation using hydrogenation and a transition metal catalyst.
A water soluble salt forms a precipitant during the group 3 analysis. An acidic solution of this precipitant and NaBIO3 yields a pinkish color. This same salt has no reaction to BaCL2
At equilibrium the total pressure was 1.00 atm and the NOCl prssure was 0.27 atm. 2NOCl(g) &hArr 2NO(g) + Cl2(g) Calculate the partial pressure of NO and Cl2 in the system
How many grams of potassium chlorate decompose to potassium chloride and 527 mL of O2 at 128 degrees C and 752 torr?
how many moles of nitrogen are in 5.3 L container at 1.25 atm and a temp of 85 degrees C.
How many grams of MgCl2 are needed to make a 3.35% w/v solution having a total volume of 500.0 mL
phosphoric acids, rather than hydrochloric acid, used to catalyze the dehydration of alcohols?
A fire truck attaches two fire hoses to a hydrant to fight a fire. Each hose has a diameter of 20 cm. The underground water pipe going to the hydrant has a diameter of 100 cm. In the underground pipe
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