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Problem- If you wanted to measure the concentration of a particular species in a sample, describe the procedure you would use to do so.
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a 0.4268 gram sample of a a potassium hydroxide-lithium hydroxidemixture requires 30.88 ml of 0.3535 m hcl for its
calculate the alkaline strength of a sample of impure k2co3 in terms of per cent k2o from the following data wt. of
What property of the atom did Moseley associate with the wavelength of X-rays emitted from an element in his experiments?
a 2.12 g sample of kclo3 s was heated to produce kcl s and o2 g. the sample of oxygen was collected over water. the
Draw all of the products of the second propagation step in the free-radical bromination of 2,3-dimethylbutane including inorganic
Question- Calculate the freezing and boiling points of 250cm3 of water at P=1 atm sweetened by 7.5g of sucrose.
if the reaction fe2n s 32 h2 g -gt lt- 2fes nh3g comes to equilibrium at a total pressure of 1 atm analysis of the
Indicate which of the following sets of quantum numbers in an atom are unacceptable. More than one answer could be right!
A 50 ml sample of .5 M HCl is titrated with .5 M NaOH. What is the pH of the solution after 28 ml of NaOH have been added to the acid
What is the molality of lauryl alcohol in a solution of 17.1g lauryl alcohol dissovled in 185g ethanol, C2H5OH?
calculate the molecular mass of the nonionic sloutes. 6403 grams of solute in 3.90 x 10^2 grams of water raises the boiling point to 100.680 c.
What are the boiling point and freezing point of a 2.58 m solution of naphthalene in benzene. (The boiling point and freezing point of benzene are 80.1°C and 5.5°C, respectively.) boiling point °C freezing point °C
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