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Using phosphoric acid, what concentrations are needed to give a pH 8.10 solution with an ionic strength of 0.100 M?
What is the total pressure of a mixture of gases made up of CO2, O2, and H2 if the partial pressures are 2.2atm, 400mmHg and 112kPa respectively.
A 4.000-g sample of the metal nitrate M(NO3)2 was dissolved in water and treated with excess aqueous sodium sulfate. The sulfate salt that formed weighed 3.318 g. Determine the identity of the metal.
Your metropolitan area has been warned by the EPA to lower sulfur dioxide and nitrogen oxide emissions or it will lose substantial federal funding. One citizen's group calls for conservation as a means of drastically reducing electricity consumption.
What volume of O2 at 988 mm Hg and 33 degrees celcius is required to synthesize 19.5 moles of NO2.
Consider an experimental run at 273 rm K where the initial number of moles (n_1) is actually 1.00 rm mol, and the final number of moles (n_2) is 2.00 rm mol.
If 2.44 moles of Helium gas has a pressure of 2.4 atm at 343 K, what volume must the gas occupy.
To make a phosphate buffer at pH 9.6 starting with 1L of 10 mM phosphoric acid (H3PO4; pKs are of 2.15, 6.82, and 12.38 determine how much KOH ), you could add?
determine how do you know if there must be a precipitate or not and Show whether or not a precipitate will form if The Ksp of PbI2 =9.8×10-9
If a reaction mixture contains only N2O and NO2 at partial pressures of 1.0 atm each, the reaction will be spontaneous until some NO forms in the mixture.
Determine the energy in joules of a mole of photons coupled with red light of wavelength
Determine the final concentration and Determine What mass of Ar is needed to exert half the pressure (at the same conditions of volume and temperature)?
calculate What mass of AlBr 3 is formed and calculate what mass of CCl 4 will be formed if 1.5 moles of CH 4 react with 1.4 moles of Cl?'
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