Calculate the mass percent of a rm
Calculate the mass percent of a rm NaCl solution in which 110 g of rm NaCl is dissolved in 2.41 L of water at 25 rm ^circ C (density = 0.997 rm g/mL).
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Explain the differences between the radial wavefunction and radial distribution function and between the 3S and 3P results.
A certain first-order reaction () has a rate constant of 7.20×10-3 at 45 . How many minutes does it take for the concentration of the reactant, , to drop to 6.25 of the original concentration?
A 15.0-g sample of a hydrocarbon is placed in a balloon at 1.00 atm and 25°C, and the volume of the balloon is 12.2 L. The hydrocarbon is 79.89% carbon and 20.11% hydrogen by mass. Determine the molecular formula of the hydrocarbon.
Estimate the osmotic pressure of human blood at 37°C. Assume blood is isotonic with a 0.16 M NaCl solution, and assume the van't Hoff factor i is 1.9 for NaCl.
A student reported the follow ing percentages for his unknown mixture: 25%NH4Cl, 30% NaCl, and 50% SiO2. Assuming that the calculations were done correctly, explain the students error?
Calculate the expectation value <r> for the 3P state of the hydrogen atom. Would <r> be greater or smaller for the 4P state? Why?
What kinds of attractive forces bind Congo Red to cotton fibers?
Calculate the molarity of a solution of glycerol made by dissolving 34.000 mL glycerol at 15 C in enough water to make 300.00 mL of solution.
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