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How many grams pure K 2 S 2 O 5 do you need to add to a 2500 L tank to achieve a 0.83 mg/l molecular SO2? Ph 3.4, Free SO2 17mg/l, Total SO2 85 mg/l Need to determine how much free SO2 needed for the molecular SO2 for the equation K 2 S 2 O 5 (g) to add = VxD/A V=volume D=dose mg/l SO2 to add A=SO2 activity as a decimal fraction
determine why the 2s and 2p orbitals on hydrogen are degenerate and they are not in the case of lithium.the formation
The student titrated 50.0 mL of the 0.10 M H2A with 0.10 M NaOH. After 25.0 mL of NaOH was added, the pH of the resulting solution was 6.70. After 50.0 mL of the NaOH was added, the pH of the resulting solution was 8.00. What are the values of Ka1..
What is the value of the equilibrium constant for the cell reaction below at 25°C? E°cell = 0.30 V
Draw resonance structures for 9-(hydroxymethyl)anthracene. Is it possible for all three rings to simultaneously have bensenoid
On the obtained mass-spectra you got in the expected parent-ion mass region two adjacent lines with almost the same abundance (m/z=258 -100%, and m/z=260 -97%). Fragments do not show any adjacent abundant lines. What conclusion can you derive from..
A 0.1276g sample of a monoprotic acid (molar mass = 1.10 x 10^2) was dissolved in 25.0 ml of water and titrated with 0.0633 M NaOH. After 10.0 ml of base had been added
At the point of equilibrium there were 82.63 g of Br2(l). Determine the total pressure in the 50.0 L container at equilibrium.
The bomb that destroyed the Murrah Federal Office building in Oklahoma City in April 1995 was constructed from ordinary materials: fertilizer(ammonium nitrate) and fuel oil
when 56.6 g of calcium and 30.5 g of nitrogen gas undergo a reaction that has a 93.0% yield, what mass (g) of calcium nitride forms.
What is the difference between the fresh meat with added sodium nitrite and the meat with added sodium nitrite plus sodium erythorbate?
What are the three major steps involved in extraction of a metal after its ore is mined?
Assuming that the combustion of palmitic acid gives off 10126.9 kJ/mol what is the maximum number of ATP molecules that can be generated from ADP and Pi, by combusting one palmitic acid molecule?
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