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Q. An aqueous solution of the protein bovine serum albumin, containing 2:00 x 10-2 g of protein per cubic centimeter, has an osmotic pressure of 8.1 x 10-3 bar at 0 C. Estimate the molar mass of this protein.
what are protocols
The K sp of the phosphate fertilizer CaHPO 4 .2 H2O is 2.7 x 10 -7 at 25 o C. What is the molar concentration of a saturated solution? What mass of this compound will dissolve
The energy of the electron in the first orbit of He + is -871.6x 10 -20 J . The energy of the electron in the first orbit of hydrogen would be : (1) -871.6 x10 -20 J
What is the nature of chemical bonding between Cs and F: (1) Covalent (2) Ionic (3) Coordinate (4) Metallic Ans: Ionic
WHAT IS ELECTRON DEFICIENCY COMPOUND
20ml of water sample requires 15ml of 0.1mg/l sodium carbonate using phenolphthalein indicator. state the type of acidity and calculate the acidity
Describe why shielding is more effective by electrons in a shell of lower principle quantum number than by electrons having the similar principle quantum number.
example of two component with different composition
A student attempting to sulfonate styrene (vinyl benzene) obtains a by product that contains neither sulfur nor oxygen atoms. Efforts to nitrate styrene yield identical results. Of
while gibing the ph and the volume intial and final how do we calculate the number of moles
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