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What is the Normality of a solution of KOH if 45.18 mL are required to neutralize 0.3 g pure oxalic acid?
a 50 ml vol. of 25 ppm solution of niiiis made fromnicl26h20.a.what is the concentration of niii in micromolar units.b.
masking of cu2 can be achieved by reduction to cu.nbsp a 25.00 ml aliquot of a solution containing cu2 and ni2 was
n-type semiconductors can be formed by addition of the elemental metals to the parent compound. For example, addition of Zr to ZrO or Ti to TiO. Like wise, p-type semiconductors
Does your result agree with the measured overall rate law expression? If not, under what conditions would agreement be observed?
Lead and iron are common alloying elements found in brass. Would the presence of these elements complicate the analysis of brass
Calculate the mass of air in an air-filled tire. Part B: Calculate the mass of helium in a helium-filled tire. Part C: What is the mass difference between the two?
Calculate the mixing ratio (ppbv) of NO2. Assume T=20 degrees Celsius = 293 K; P = Atmospheric pressure. MW of NO2 = 44g/mol.
customers complain that the plants they buy look "different" when they get them home. The electric bill to run the store is excessive.
The vapor pressure of chloroform (CHCl3, molar mass 119.5 g/mol) is 4.00 x 10^2 torr at 42.7 C. if 40.0 g of CHCl3 is enclosed in a 10.0 L container, how much liquid CHCl3, if any, will remain in the container
Lead(II) sulfide reacts with hydrogen peroxide to form lead(II) sulfate and water. How many grams of hydrogen peroxide (H2O2) are needed to react completely with 265 g of lead(II) sulfide
Benzene has a boiling point of 80.1 degrees celcius and a molal boiling point elevation constant of 2.53 degrees celcius/m. Calculate the boiling point of a solution containing 15.0 g of the non-electrolyte C6H4Br2 in 125 ml of benzene (sp gravity..
How many moles of cobalt (Co) atoms are there in 5.00 x 10^9 (5.00 billion) Co atoms? Enter your answer in scientific notation.
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