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What is the pH of a 10-5 M Co(ClO4)2 solution? Check your answer to be certain that Ca(OH)2(S) will not precipitate. (Assume no carbonate is present). The following are for the hydroxyl complexes: log ß1=3.8; log ß2=9.2; log ß3=10.5; log ß4=9.7; log KSO=-14.4
The densities for aluminum and iron are 2.7 g/cm 3 and 7.86 g/cm3, respectively. What is the ratio of the mass of an object made of aluminum to that of the same object made of iron?
The measured pH of the deionized water is very likely not 7, it will be slightly less.
If, in practice, 5.0 mL of 16.0 M nitric acid were added to effect the dissolution of the copper, what would be the minimum volume of 4.00 M NaOH required to neutralize the remaining acid and convert all of the Cu2+(aq) to Cu(OH)2(s)
Calculate the maximum volume in mL of .15 M HCL that each of the following antacid formulations would be expected to neutralize
Calculate the theoretical yield of iron in the reaction of 254 g of iron (III) oxide with 25.0 g of carbon, according to the equation 2Fe2O3(s) + 3C(s)> 4Fe(s) +3CO2(g)
calculate the molar concentration of OH- ions in an 0.85M solution of hypobromite ion, BrO- (Kb = 4.0x10^-6). what is the pH of this solution?
Which state in each of the following pairs has the higher entropy per mole of substance. 1. Ice at - 40 degrees C or ice at 0 degrees C 2. N2 at STP or N2 at 0 degrees C and 10 atm 3. N2 at STP or N2 at 0 degrees C in a volume of 50 L 4.
A copper tube is 1 inch in diameter and 2 feet long, it is filled with steel balls of 1 inch diameter. The space between the balls is filled with water. the specific gravity of the steel b all is 7.8. What is the bulk denisty of the contents of th..
Calculate all the preceeding concentrations and the weight of biomass, {CH2O}, produced. Assume no input of atmospheric CO2.
One useful method for recycling scrap aluminum converts some of it to common alum [potassium aluminum sulfate dodecahydrate, KAl(SO4)212 H2O], an important dye fixative and food preservative.
The solution is is undiluted. It spreads out into a diameter of 22.56 meters. Determine the length of a Palmatic-B acid molecule in angstroms.
The remains of an old campare are unearthed and it is found that there is only 80% as much radioactive carbon-14 in the charcoal samples from the campare as there is in modern living trees
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