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Inorganic Chemistry
what is the procedure of solvent extraction?
Inorganic Chemistry
What is the empirical formula of a compound composed of 32.5 g potassium (K) and 6.65 g oxygen (O)?
Inorganic Chemistry
what is the acid error ? water activity error ?and alkaline error?
Inorganic Chemistry
which apparatus is used prepare solution with certain concentrations?
1.Graduated cylinder
2. Volumetric flask
3.Beaker
4. Erlenmeyder
5.Burette
1.Graduated cylinder
2. Volumetric flask
3.Beaker
4. Erlenmeyder
5.Burette
Inorganic Chemistry
what is the net ionic equation of calsium with hydrochloride?
Inorganic Chemistry
which of the following is paramagnetic.
1)NO2 2)N2O
3)N2O3 4)N2O5
1)NO2 2)N2O
3)N2O3 4)N2O5
Inorganic Chemistry
a sodium vapor lamp emits photons with a wavelength of 5.89x10^-7m. What is the energy of these phothons
Inorganic Chemistry
Calculate the voulume occupied by .845 moles of nitrogen gas at pressure of 1.37 atm and a temperature of 315K ? Atm = atmospheres
K= kelvins = temperature
K= kelvins = temperature
Inorganic Chemistry
what is the concentration in mol dm of a solution of potassium hydroxide, KOH containing 4,13 gdm
Inorganic Chemistry
a student was asked to find the relative atomic mass of element X. crystals of the chloride of X were know to have the formular XCl2 .6H2O.the student dissolved 2.03g of the crystals in water, and then added an excess of silver nitrate solution to the solution formed. a white percipitate of silver chloride was formed, which was filtered, dried and weighed. 2.87g were formed. Ag+Cl---AgCl calculate: the number of moles of silver chloride formed? the number of moles of X chloride in the solution? the mass of 1 mole of XCl2.6H2O? the relative atomic mass of X?
