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What is the solubility of MnS, in grams per liter, in a buffer solution that is 0.115M HC2H3O2 - 0.505 M NaC2H3O2? For MnS, Kspa=3x10^7.
how many grams of carbon dioxide are produced when 23.5 g of 1-pentanol react with excess oxygen in a combustion reaction?
A certain pesticide is fatal to fish fingerlings at a level of 0.5 parts per million in water. A leaking metal can containing 10.0 kg of the pesticide was dumped into a stream with a flow of 10.0 Liters per second moving at 0.7 km/hr.
Calculate the pH after the following amounts of NaOH are added. A) 0mL NaOH added( before the titration started)
A muon is an elementary particle with a negative charge equal to the charge of an electron and a mass approximately 200 times that of the mass of an electron.
Calculate the molar concentration of CO2 for a sample that has a pH of 6.220 and a HCO -3 concentration of 0.0020 M. For carbonic acid pKa1=6.33 and pKa2=10.35.
when 142 grams of calcium flouride are reacted with an excess of sodium bromide, calculate the mass of calcium bromide formed.
Assuming the solution has a heat capacity of 4.18 J/°C·g and assuming no heat loss to the calorimeter, calculate the enthalpy change for the dissolution of NH4NO3 in units of kJ/mol.
The concentration fo certain sodium hydroxide solution was determined phthalate(abbreviated as KHP). KHP is an acid with one acidic hydrogen and a molar mass of 204.22 g/mol.
The gas phase irreversible first-order reaction A----> 3B , is carried out in PFR where the feed is equal molar in A and inerts. the conversion under these circumstances is 50%.
Why do Br And I interfere with the NO3 test? Explain fully using bromide as an example, including equations. 3. Explain why an excess of Fe2+ is necessary for the NO3 test.
If you a litre (1000mL) bottle of oil in your engine, how much heat is produced in kcal?In BTU To solve this problem you must know the density of motor oil is .82 g/mL.
how many grams of sugar are in 15.0% concentrated solution with a total mass 125 g?
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