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1. How many grams of NaH2PO4 would you dissolve in water to make a 0.5 M solution of 200 ml final volume?
2. What is the pH of the solution you made in problem 1? The pKa's for phosphoric acid are 2.15, 7.09, and 12.3.
the solubility of n2 in blood at 37 oc and at a partial pressure of 0.80 atm is 5.6 x 10-4 moll. a deep-sea diver
source of carbon, show how to prepare a) cis-3-octene b) trans-3-octene
Why is 2-naphthol soluble in sodium hydroxide? Q.3 why is o-toluic acid soluble in sodium bicarbonate?
Question- Write a reasonable and detailed mechanism for the dehydration of 4-methylcyclohexanol in the presence of sulfuric acid to form 4-methylcyclohexene. Use curved arrows to show the flow of electrons and draw the structures of all intermedia..
the osmotic pressure of this soluion was 0.00155 atm at 25 degrees celcius. calculate the molar mass of hemoglobin, which is a molecular compound and a nonelectrolyte.
Question- Upon returning home, Melvin got involved in a water fight with his girlfriend, Melinda. He observed that the water balloon he was holding was a nearly perfect sphere with a diameter of 10.7cm.
Define A piece of metal weighing 5.15g at a temperature of 49.3 °C was placed in a calorimeter in 20.00 mL of DI water at 22.1 °C. Define the final equilibrium temperature was found to be 29.4 °C. Explain what is the specific heat of the metal
The steam is comes out of the feed water at 200 C. The water at a flow rate of 500 kg/h enters the feed water heater at 20C. Calculate the feed water exit temperature.
n2go2glt-gt2nog kc 1.7x10-3calculate the equilibrium concentrations if the initial concentrations are 2.31 m n2 and
The alloy PT3Ir as well has a face centered cubic structure with and edge length of 3.969A. IN this structure, Ir atoms absorb the facial positions and Pt atoms occupy the corner positions. Explain what the density of each material- Pt is and Pt3Ir
Which of the following statements is true regarding chiral carbons with R configuration? a. plane polarized light is rotated clockwise b. plane polarized light is rotated counterclockwise
Question- Both aqueous HCl and HNO3 are strong acids (equal acidity in water); yet CuO will dissolve more easily in 1 M HCl than in 1 M HNO3. What happens to account for this difference
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