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Aspirin is an organic acid with formula C8H7COOH and molar mass 180.16171 g/mol. A 1.30 g tablet is titrated with 0.1500 M HCl and the endpoint is reached at 22.17 mL. Calculate the mass percent of aspirin in the tablet. Watch significant figures.
The specific heat capacity of a certain monatomic solid is 0.392J*k^-1*g^-1. The chloride of this element (XCl2) is 52% chlorine by mass.
What is the ratio of the enantiomeric products? b) What name is given to a mixture of enantiomers present in the ratio determined in part (a)?
What was the wavelength of the second photon emitted?
If during the course of the reaction, the vessel is found to contain 7.00 mol of C, 14.1 mol of H2O, 3.00 mol of CO, and 8.60 mol of H2, what is the reaction quotient Q?
Consider the unbalanced equation above. A sample of impure mercury(II) oxide is heated and the HgO decomposed completely. If 580. mL of O2 is collected by displacement of water at a barometric pressure of 790.0 mm Hg and 25.0°C,
Chemical Reactions explained in this solution, 1. Some sulfuric acid is spilled on a lab bench. It can be neutralized by sprinkling sodium bicarbonate on it and then mopping up the resultant solution. The sodium bicarbonate reacts with sulfuric ac..
Calculate the mass of the sample of silver. Can you please explain how you answered this question so I can understand it on my final?
A 5.00 g sample of KBr at 25.0°C dissolves in 25.0 mL of water also at 25.0°C. The final equilibrium temperature of the resulting solution is 18.1°C.
calculate the temperature of an isothermal flash drum required to vaporize 40% of a liquid mixture of 60 mole% isopropanol and 40mole% n-butanol.
CH4(g) + 3 Cl2(g) CHCl3(g) + 3 HCl(g) How many grams of CH4 is needed to produce 43.0 g CHCl3?
If a reaction mixture contains only N2O and NO2 at partial pressures of 1.0 atm each, the reaction will be spontaneous until some NO forms in the mixture.
What is the molarity of that forms when 20.0 of zinc completely reacts with according to the following reaction? Assume a final volume of 285 .
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