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a sample of Mg was burnt in air to give a mixture of Mgo and Mg3N2 . The ash was dissolved in 60 Meq of Hcl and the resulting solution was back titrated with NaOH . 12Meq of NaOH were required to reach the end point. An excess of NaOH was then added and the solution distilled . the ammonia released was then trapped in10 Meq of second acid solution. Back titration of this solution required 6 Meq of the base . Calculate the % of Mg burnt to the nitrate.
The fragment is dissolved in 50.00 mL of (H_{2}SO_{4}) solution is then treated with 2 g of Kl and 50.00 mL of the potassium iodate solution (1L of 0.01000M solution requires 2.14g of potassium iodate).
What is the pH of 30.00 mL of 3.45x10¡7 M 2-Oxopropanoic acid. (Note: any higher order polynomials must be reduced to at least a quadratic.)
Problem- A mitochondrial membrane complex consisting of ATP synthase, adenine nucleotide translocase (ADP-ATP translocase), and phosphate translocase functions in oxidative phosphorylation. Adenine nucleotide translocase, a transporter located in ..
1. Why does milk go sour and what causes the formation of curd? 2. Explain why during the experiment casein precipitates wheen hydrochloric acid is added to it.
You have separate solutions of HCl and H2SO4 with the same concentrations in terms of molarity. You wish to neutralize a solution of NaOH. Which acid solution would require more volume (in mL) to neutralize the base
Problem- The equilibrium constand for the reaction: AgBr(s)= Ag(aq)+Br(aq) is the solubility product constant, Ksp=7.7x10^13 at 25C. Calcualte delta G for the reaction when ag = 1x10^-2 M and Br= 1.0x10^-3 M. the answer is 40.6 kJ/mol.
suppose you have a buffer at ph 5.0 that is 1.00m in hx and 1.00 m in x- where hx is a weak acid with ka 1.0 x 10-5 m.
Arrange the following compounds by boiling point: 1-pentanol hexane 1-pentanamine butyl methyl ether
At a certain temperature, 0.920 mol of SO3 is placed in a 2.00-L container.At equilibrium, 0.170 mol of O2 is present. Calculate Kc
KEtones also undergo the aldo condensation, although a succesful reaction often requires "enhanced" conditions, since the addition involves an unfavorable equilibrium constant.
Determine the amount of heat evolved in the combustion of 1 mol of methane gas to carbon dioxide and water (liquid). Assume standard conditions apply. Methane is CH4 and may be an important automobile fuel someday.
Determine the boiling point of a solution of 72.4 g of glycerol dissolved in 122.5 g of water.
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