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3.75g of a protein were dissolved in sufficient water to form 6.75mL of solution, and the osmotic pressure of the solution was found to be 1.88Torr at 25.0c. What is the molar mass of the SOLUTION. the molar mass of the protein.
The concentration of Na^+ in a 0.73 M Na2CO3 solution is: (Assume complete dissaciation) A. 0.43 M B. 0.88 M C. 1.02 M D. 1.28 M E. 1.46 M
The bonding in BF3 requires formation of hybrid orbitals on boron. If the molecule is oriented in the xy plane, what is the identity of the unfilled p orbital on boron.
Can someone give me a step by step solution from the Quantatative chemical analysis text from author Daniel c. Harris(the 8th edition) problem CH4-4-E. It about a confidence level.
A component of a protein called serine has the following percent composition by mass: 34.95% C, 6.844% H, 46.56% O, and 13.59% N. It also has an approximate molar mass of 100 g/mol.
Benzoic acid can be extracted from an ether solution using an aqueous solution of sodium bicarbonate.
carbon oxide carbon ii oxide can be purified of oxygen impurities by having it react with cobalt ii oxide. if the
the formation of so3 from so2 and o2 is an intermediate step in themanufacture of sulfuric acid and it is also
Determine the half- life, in hours of iodine-123 If the amount of radioactive Iodine-123 in a sample decreases from 0.4 grams to 0.1 grams in 26.4 hours?
Calculate the amount of heat required to heat a 3.5 kg gold bar from 21 degrees celsius to 67 degrees celcius.
how much current is produced by the dissolution of .525 g of chromium per hour to produce chromium (III)?
What mass of Copper (II) Hydroxide precipiate is produced by the double displacement reaction in a solution of 2.67g of potassium hydroxide
Litre of white gas, and density of the gas is 0.710 g/cm 3 . Calculate the mass of the fuel and express your answer in kgs?
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