Determine the approximate molecular mass
A solid non-electrolyte which is having 0.600 g dissolved in the 100 mL water. The observed freezing point is-0.200oC. Determine the approximate molecular mass of the compound? (Kf = 1.86 oC/m)
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How do you determine the formal charges for the different atom types (four single bond, two double bond & two single bond, four double bond) of each structure?
What function predicts for percent of freshmenentering college in 2002 who did volunteer work during their last year of high school? How this compares to actual percent of 82.6?
Hydrocarbons do not dissolve in the concentrated sulfuric acid, but methyl benzoate does. Describe this difference and written equation showing the ions that are formed.
Determine the concentration of calcium ion in a saturated solution prepared by adding pure CaCO3 to pure distilled water when the Ksp of CaCO3 in the form of calcite is 4.5 x 10-9.
Determine the radius of circle with equation. Compute coordinates of center of circle with equation. Determine sum of h and k coordinates of center?
The average atomic radius of an Fe-V solid solution can be measured by adding the atomic radii of V and Fe, weighted by their respective atom fractions.
The simple fluorides XeF2, XeF4, andXeF6 are all formed by direct reaction of the elements. "Inert" xenon actually forms several compounds, especially with the highly electronegative elements oxygen and fluorine.
A mixture of Cu2O which is having 4.6127-gram (molar mass 143.091 grams) and CuO (molar mass 79.545 grams) was treated to remove all the oxygen.
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