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What mass of water is necessary to prepare each of the following solutions? 1.) 200.0g of 1.30\% saline solution 2.) 80.00g of 15.0\% sugar solution
crystallizes in a body-centered cubic array of atoms in which the length of the unit cell's edge is 569.7 pm (10-12 m). Calculate the density of the metal in g/cm3.
calculate the freezing point of this solution, boiling point of this solution, the vapor pressure change (from 23.76 torr at 25C) for the solution, the osmotic pressure of the solution, and the height of a column of water corresponding to this osm..
why does a salt containing a cation from a weak base and an anion from a strong acid form an acidic solution
Calculate the solubility product (Ksp) for barium fluoride if the concentration of the barium ion is 3.6 x 10-3 M and of the fluoride ion is 7.2 x 10-3 M.
BaSO4 is listed as insoluble. Actually, BaSO4 is highly soluble, Ksp=1.1e-10. What is the solubility, in mg/l?
If solar radiation is 1200 W/m^2, how many photons strike the leaf every second? Assume three significant figures and an average wavelength of 504 nm for solar radiation.
Write a balanced chemical reaction for the formation of a free fatty acid from a soap molecule under acidic conditions.
A solid object is made of two materials, one material having density of 2.4 g /cm3 and the other having density of 8.6 g/cm3. If the object contains un-equal masses of the materials (75/25), what is its average density
What is the molarity of the resulting solution when 20.0 mL of a 2.00 M aqueous solution is diluted by the addition of 30.0 mL of water
in a patient with insulin-dpendent diabetes mellitus who forgot to administer insulin, you would expect to see all of the following after a high sugar meal except
Aerosol cans have a label that warns the user not to use them above a certain temperature and not to dispose of them by incineration. Even an empty can contains residual gaseous propellant.
From its electronic configuration, predict which of the first 10 elements would be most similar in chemical behavior to the as yet undiscovered element 170.
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