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Ethylene glycol, C2H4(OH)2 is a colorless liquid used as automobile antifreeze. If the density at 20 degrees celsius of a 4.028 m solution of ethylene glycol in water is 1.0241 g/ml, what is the molarity of the solution? The molar mass of ethylene glycol is 62.07 g/mol.
A second assay was performed by making a derivative, ammonium phospho-molybdate, which has visible absorption peak at ~ 400nm. From the Beer's Law plot, estimate the concentration of the unknown solution
what is the total number of grams of patassium chloride needed to saturate exactlye 300 grams of water at 10 degrees celcius?
Explain the Coordination Chemistry and Chemical Speciation Utilized in the Analysis of Fluoride in Water Samples by Fluoride Ion-Selective Electrode
What is the boiling point of a solution produced by adding 510g of cane sugar (molar mass 342.3g/mol ) to 2.1kg of water. For each mole of nonvolatile solute, the boiling point of 1kg of water is raised 0.51 degrees celsius.
A tablet of Vitamin C changed color at 23.7 mLs of Iodine. how do you determine how much vitamin c is in the tablet.
of 2.60 cm^2.if solar radition is 1150 W/m^2, how many photons strike the leaf every second.
Describe how redox titrations are carried out and draw a labeled sketch of a typical redox titration curve.
If a sample contains 79.0% of the R enantiomer and 21.0% of the S enantiomer, what is the enantiomeric excess mixture
aqueous solution of sodium chloride (NaCl). What mass of NaCl would you need to dissolve in 500 g of water to make this solution?
Calculate the distances NH# gas and HCL gast would travel in this experiment if a 100.0-cm tube were used, based on the accepted molar masses of the two gases.
SrCO3 is a sparingly soluble salt. Using the Ksp from the appendix, a) Determine the concentrations Sr2+ and CO32- when SrCO3 is dissolved in pure water ignoring secondary reactions of Sr2+ and CO32-
Find vapor pressure and density of liquid water at room temperature; state your source. Calculate the new vapor pressure of water at the same temperature when 740 torr of dry
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