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A solution contains 11.00 g of unknown compound dissolved in 50.0 mL of water. (Assume a density of 1.00 g/mL for water.) The freezing point of the solution is -6.59 *C. The mass percent composition of the compound is 38.70% C , 9.74% H , and the rest is O.
What is the molecular formula of the compound?
How do you calculaate the solubility (in grams per liter) of magnesium hydroxide Mg(OH)2
A ball is thrown horizontally from the top of a building 19.0 m high and lands 63.7 m from base of the building.
The dow process isolates magnesium from molten MgCL2. How many moles of electrons are required to convert 54.7g of magnesium
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Which of the characteristics has is NOT found in Peptidoglycan? A) The "peptido" parts of Peptidoglycan are peptide crosslinking sections that covalently bind the Petidoglycan strands together
can you find out the name and formula of the unknown compound and determine the identity of the element?
Compare mass, charge, and location of the subatomic particles in the atom. Particles are Proton, Nuetron, Electrons. What is the Mass,
A particular first-order reaction has a rate constant of 1.35x10^2 at 20 degrees C . What is the magnitude of k at 75 degrees C if Ea =85.6Kj/mol?
The next three (3) problems deal with the titration of 461 mL of 0.501 M carbonic acid (H2CO3) (Ka1 = 4.3 x 10-7, Ka2 = 5.6 x 10-11) with 1.1 M NaOH. What is the pH of the solution at the 2nd equivalence point
Determine the theoretical mole ratio of NaCl to NaHCO3.
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