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If the human eye has an osmotic pressure of 8.00atm at 25 degree Celsius, Explain what concentration of solute particles in water will provide an isotonic eye drop solution a solution with equal osmotic pressure?
A solution containing 10.0 mmol CaCl2 is diluted to 1 L. Calculate the number of grams of CaCl2 . 2H2O per milliliter of the final solution.
Explain how molecular spectroscopy can be used for either the measurement or identification of a molecule.
The solubility of KNO3 is 155g per 100g of water at 75 degrees C and 38.0g at 25degrees C. What mass in grams of KNO3 will crystalize out of solution if exactly 100g of it's saturated solution at 75 degrees C is cooled to 25 degrees C?
Explain what are the relative numbers of each of the monomer units in this polymer? Give the ratio of acrylonitrile: butadiene: styrene. Utilize the lowest possible coefficients.)
when chemists are preparing dilute acid solutions in water they follow the proverb always add acid explain why this is
A 13.1 L sample of 0.502 moles of 02 is held under conditions of 1.00 atm and 25.0 Celsius. if all of the 02 is then converted to ozone (03) what will be the volume of ozone
If 5.97 ml of a solution contains 2.54 mg of sodium ion, What is the molarity of the sodium chloride solution
which one of the following molecules has a zero dipole
Calculate the internal energy amd ethalpy changes that occur when air is changed from an initial state of 40 0F and 10 atm, where its molar volume is 36.49
At a given temperature the vapor pressures of benzene and toluene are 183mm Hg and 59.2mm Hg. Calculate the mole fraction of benzene in the vapor phase over a solution of benzene and toluene with Xbenzene=0.600
Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons. Show the formal charges of all atoms in the correct structure of ClO4-
a toothpaste contains 0.24 by mass sodium fluoride naf and 0.30 by mass of triclosan c12h7cl3o2. the mass of one tube
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