using a compound contains 3006 percent oxygen and
Using a compound contains 30.06 percent oxygen and 69.94 percent iron . Determine its molecular formula if the molar mass of the compound = 199.55 grams per mole?
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determine the mass of the lead in grams if the water level in a graduated cylinder initially at 224 ml rises to 274 ml after a piece of pb is
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for the reaction given as nog o3g --gtno2g o2g the frequency factor a 87 x 1012 s-1 activation energy 63 kjmol determine the rate constant for
a female needs to take ibuprofen of 375mg twice daily the pills in the bottle are each 250 mg determine how many pills does the female require to
using a compound contains 3006 percent oxygen and 6994 percent iron determine its molecular formula if the molar mass of the compound 19955 grams
considering the given equation 2 al 6 hcl rarr 2 alcl3 3 h2 determine how many grams of alcl3 are formed if 300 grams of hydrogen are produced it
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europium europium is a chemical element with the symbol eu and atomic number 63 crystallizes in a body-centered cubic lattice compute the unitcell
nbspka for cyanic acid hcno 35 x 10-4 at 25degc write the equilibrium that corresponds to ka the standard heat of combustion of butane gas - 2880 x
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