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Problem- A solution contains 1.0x10^-3 M Cd+2 and Fe+2 ions that has a pH of 1.70. If the solution is saturated with H2S will either or both of these ions precipitate? Calculate the concentration of either of both ions remaining in solution. pKsp for CdS is 26.10 and 18.68 for FeS
I just need a general explanation of it please- Thanks!
Explain why construction of a linear calibration curve for emission spectroscope does not require any logarithmic data manipulation (as is required for absorption spectroscope
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when 7.20 grams of h2so4 l at 22.0oc are poured into a 94.0 gram mixture of ice and watercontaining 6.15 grams of ice a
While analyzed by gas chromatography the peak areas for benzene as well as toluene are 6382 and 4793 respectively. Find out how many milligrams of benzene are in the initial 7 ml of gasoline. If someone can give a little insight on how to start thi..
In the preparatoin of a new pain reliever calls for 1.8 moles of an organic compound with fomula Na2(CH2CO2H)2 NCH2CH2(CH2CO2)2. How many grams of this compound should be weighed out for the reaction
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On a hot day a room air conditioner uses 1.0 kW of electrical power and works with a coefficient of performance of 2.9. How much heat does the AC remove from the room in 1 min?
A 25.0 g sample of pure iron at 91°C is dropped into 57 g of water at 15°C. What is the final temperature of the water-iron mixture?
We are unable to detect iron via atomic spectroscopy. The problem is we have added Fe-EDTA in a formulation. For detection of Fe, we digest the formulation (sample) with H2SO4 (usual practice) but we are unable to detect Fe by atomic spectroscopy
The composition of a gas on a dry basis is 74.0 mole% N2, 10.0% O2, 12.0% CO2, and 4.0% CO. If the mole fraction of water is 0.190, what is the gas composition on a wet basis
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