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Calculate the [NH3]/[NH4] ratio in an ammonia-ammonium chloride buffer with a pH of 9.00.a.) .56/1.00b.).74/1.00c.).86/1.00d.)1.12/1.00e.)1.30/1.00
Question- A solution containing 8.92g of KBr in 500.0 mL of solution and has an osmotic pressure of 6.97 atm at 25 degree celsius. Calculate the van't Hoff facter (i) for KBr at this concentration.
Compute the expected pH of the acetate buffer and compare it with the pH determined by the pH meter. If they are different, suggest possible explanations. Compute the total concentration of the buffer.
Aqueous sulfuric acid will react with solid sodium hydroxide to produce aqueous sodium hydrogen sulfate and liquid water . Suppose 3.92 g of sulfuric acid is mixed with 2.22 g of sodium hydroxide.
It is possible to determine the ionization energy for hydrogen using the Bohr equation. Calculate the ionization energy for an atom of hydrogen, making the assumption that ionization is the transition from n=1 to n
Calculate the volume of the NaOH solution prepared in (2) required to react with all of the t-butyl chloride in 1.0mL of the 0.050M solution prepared in (1)?
When a sample of aqueous hydrochloric acid was neutralized with aqueous sodium hydroxide in a calorimeter, the temperature of 100.0 g of water surrounding the reaction increased from 25.0°C to 31.5°C.
Explain why is the major product between p-anisaldehyde and acetophenone the crossed aldol product rather than the Cannizzaro reaction or the self-condensation of acetophenone
What is the molarity of a sodium chloride solution, if 6.62 g of NaCl are dissolved in enough water to make
Calculate the total mass of the neutrons in 19/9F. Use 1.008665 amu as the mass of 1/0N(mass of a neutron). Express your answer in atomic mass units to 7 significant figures. Calculate the mass defect of 19/9F. Use 18.9984 amu as the actual mass o..
What is maximum light wavelength (nm) to be absorbed for creating electron-hole pairs in semiconducting material cadmium telluride (CdTe)? CdTe has a band gap of 1.44 eV.
A solution contains 8.88g of KBr in 500.0mL of solution and has an osmotic pressure of 6.97atm at 25 C. Calculate the van't Hoff factor (i) for KBr at this concentration.
a gas has a volume of 50.0 cm3 at a temperature of -73acircdegc. what volume would the gas occupy at a temperature of
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