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A particular sample of red brass consisting of 81.0% Cu and 19.0% Zn by mass has a density of 8780 kg/m^3. What is the molality of Zn in the solid solution?
If the methane contained in 5.00L of a saturated solution at 25 ^circ rm C was extracted and placed under STP conditions, what volume would it occupy.
Use stereoformulas to show that (S)-benzoin reduces to meso-hydrobenzoin.
Do all ionic compounds dissolve in water, Do all covalent compounds dissolve in water? answer should be 50 to 100 words.
The density of the hydrogen peroxide solution is 1.01 g/mL and the solution contains 3.40% H202 by mass. The vapor pressure of water at 24C is 22 mmHg. Based on this data and information calculate the molar volume at STP.
Construct a Born-Haber cycle for the formation of the hypothetical compound NaCl2, where to sodium ion has a 2+ charge
Acetylsalicylic acid (aspirin), HC9H7O4, is the most widely used pain reliever and fever reducer in the world. Find the pH of 0.018 M aqueous aspirin at body temperature (Ka at 37°C = 3.6 10-4).
25.00 ml aliquots of thiis solution was titrated with monoprotic strong base NaOH (0.0800 M). The titre volume of NaOH was 40.00ml. Calculate the molecular weight of H2A.
A 2.00-g sample of white solid was vaporized in a 345-mL vessel. If the vapor has a pressure of 985 mmHg at 158°C, what is the molecular mass of the solid?
A solution contained KIO3 and excess KI. 25 cm3 of this solution were acidified and the liberated I2 required 26.8 cm3 of 0.1 M Na2S2O3 for complete recaction.
Describe, with equations, how a solution of sodium cyanide, NaCN, with hydrogen cyanide, HCN, functions as a buffer
Include all constitutional isomers(except those with carbon-carbon double bond or triple bonds). For each constitutional isomer, identify the functional group and indicate whether there are stereoisomers other than conformers.
describe how will you prepare a supersaturated solution of potassium nitrate in water.
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