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Lakes that have been acidified by acid rain can be neutralized by the addition of limestone (CaCO3). How much limestone in kilograms would be required to completely neutralize a 5.2 * 109-L lake containing 5.0 * 10-3 g of H2SO4 per liter?
The carbon atom of the methoxy group (OCH3) appears at a larger chemical shift than the carbon atom of the carbonyl group (C=O).
2ZnS + 3O2 = 2ZnO + 2SO2 how many moles of Zno are produces when 32 gms of oxygen is allowed to react with an excess of ZnS?
What is the ionization constant of an acid if the hydronium ion concentration of a 0.500 M solution is 1.70 x 10-4 M
What volume of 0.1 M KMnO4 would be required to titrate 0.56 g of K2[Cu(C2O4)2] • 2H2O?
consider 2al 6hcl yields 2alcl3 3h2 the reaction of al with hcl to produce hydrogen gas. this reaction has a yield of
How many grams of acetic acid is this. If the mass of analyte is 10.20 grams, what is the mass % of acetic acid in the analyte
question 153 grams of metal have a specific heat of 0.061 calg c and at a temp of 99.1c is added to 85.0 grams of water
Rxn of triphenylphosphine with benzyl bromide produces the corresponding phosphonium salt.
how many grams of carbon dioxide are produced when 2.50g of sodium hydrogen carbnate reacts with excess citric acid according to the equation: 3NaHCO3 + H3C6H5O7 -> Na3C6H5O7 + 3CO2 + 3H2O.
Calculate the mole fraction and partial pressure of each gas, and the total pressure in the tank. a) Boron trifluoride - mole ratio - partial pressure b) Sulfur hexafluoride -mole ratio -partial pressure
A gas cylinder contains a mixture of He and Ne at STP. Which of the following quantities would have the largest magnitude. A) Root mean square speed of He
How do I calculate Apparent volume of dry sand and Actual volume occupied by sand particles Using the data below? Also need to know how to calculate the density of sand(based on apparent volume) Mass of graduated cylinder + Table Sand = 26.1g Mass..
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