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Calculate the concentrations of H+, H4IO6-, and H3IO62- in a 0.200 M H5IO6 solution. Use the following equations:
H5IO6(aq) <---> H+(aq) + H4IO-6(aq) Ka1=2x10-2
H4IO6-(aq) <---> H+(aq) + H3IO62- (aq) Ka2= 5x10-9
2.00 moles of a gas occupies 62.2 L at a particular temperature and pressure. Its density is 0.900 g/L. The standard molar volume is 22.4 L/mole. What is the molar mass.
Are the following processes exothermic or endothermic. the combustion of gasoline in a car engine water condensing on cold pipe CO2(s) CO2(g) F2 2F(g)
Balance each of the following neutralization reactions. Express your answer as a chemical equation. Identify all of the phases in answer.
The formula of a complex formed by a reaction such as M + nX = MXn can be determined by the method of continuous variations. The absorbances of a series of solutions of varying composition are measured at the wavelength at which the complex shows ..
A buffer is prepared by mixing 295 mL of 0.210 M HCl with 584 mL of 0.559 M ammonia (NH3). Given that the Kb of NH3 is 1.8 x 10-5, calculate the pH of the solution.
A solution is 21.0% ethylene glycol (C2H6O2) solution in water with density of 1.02g/mL. WHat is the molarity?
If it takes 30.0 mL of 0.0250 M K2Cr2O7 to titrate 15.0 mL of a solution containing Fe2+, what is the molar concentration of Fe2+?
Write the condensed electron configuration ( using the noble gas electron configuration) of antimony. How many electrons are unpaired. Please show all work and provide all steps.
Without a catalyst, a different reaction predominates: 4NH3(g) + 3O2(g) ? 2N2(g) + 6H2O(g) When 0.0230 mol gaseous NH3 and 0.0250 mol gaseous O2 are placed in a 1.00 L container at a certain temperature, the N2 concentration at equilibrium is 2.20..
If the pressure exerted by ozone, in the stratosphere is 3.0*10^-3 atm and the temperature is 253 K, how many ozone molecules are in a liter?
aluminum has a density of 2.70g/cm3. how many cubic centimeters will 200.0 grams of aluminum occupy?
A sample of natural gas at STP is 78% CH4 and 22% C2H6 by volume. How many moles of each gas are present in 2.00 L of the mixture. Assume Ideal gas behavior.
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