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One container contains 72.09 grams of Sodium as well as 6.99 grams of strontium. Another container holds 47.87 grams of Titanium.Explain what mass of calcium would have to be added to the second container for it to hold the same number of atoms as the first container?
discribe the points of rutherford's model for the nuclear atom and how he tested this model. based on his expiriments, how did ruthford envision the structure of an atom?
What is its energy in joules? Enter your answer in the form 1.02E12 for 1.02 x 1012 with three significant figures
State a beaker contains 100. mL of 0.0640 M H2SO4. Define what volume of 0.0470 M KOH solution is needed to exactly neutralize the acid
The solubility of the ionic compound M2X3, having a molar mass of 205 g/mol, is 3.16 10-7 g/L. Calculate the Ksp of the compound.
Calcium concentrations in solutions may be determined by a complex-forming reaction with EDTA. The reaction takes place between Ca2+ and EDTA4- with a formation constant of 4.5 x1010.
Calculate how many grams of Copper II carbonate are obtained when 5.2ml of an 3.0M aques solution of sodium carbonate is mixed with 10.0ml of a 5.0M aques solution of Copper II Nitrate.
A 15.0% (w/w) NiCl2 (129.61 g/mol) solution has a density of 1.149 g/mL. Calculate the grams of NiCl2 contained in each liter of this solution
Nickel crystallizes in face center cubic unit cell with an edge of 375pm. Determine the density of nickel in g/cm
Write the expression for the equilibrium constant. b. Which way would the reaction shift in each of the following cases?
What is the difference between the fresh meat with added sodium nitrite and the meat with added sodium nitrite plus sodium erythorbate?
After a dose, the concentration of medication in the blood declines due to metabolic processes. The half-life of a medication is the time required after an initial dosage for the concentration to be reduced by one-half. A common model for this pro..
how to interpret hnmr spectra of 1-naphthol, why are the signals that occur more upfeild occuring more up feild. and likewise why are the signals occuring more downfield occuring downfield?
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